Snorkeling Big Island Hawaii: Top 7 Spots

Dive into the Big Island's Underwater Paradise

Discover the Big Island's best snorkeling spots with this curated list of top locations. Whether you're a beginner or an expert, this guide reveals seven incredible places to explore vibrant coral reefs, swim with sea turtles, and encounter diverse marine life. From calm bays perfect for families to more adventurous sites, find the perfect spot for your underwater adventure. These diverse locations offer something for everyone, ensuring an unforgettable snorkeling experience.

1. Kealakekua Bay: A Snorkeler's Paradise

Kealakekua Bay reigns supreme as the Big Island's premier snorkeling destination, and for good reason. This protected marine life conservation district boasts some of the clearest waters in Hawaii, with visibility frequently exceeding 100 feet. This exceptional clarity, combined with a vibrant coral reef ecosystem teeming with life, makes Kealakekua Bay an unforgettable experience for snorkelers of all levels. The reef slopes dramatically from the shoreline down to depths of around 100 feet, creating a diverse habitat for a vast array of marine species. This underwater topography, featuring reef walls and canyons, adds another layer of exploration for more adventurous snorkelers.

This bay isn't just a natural wonder; it holds significant historical importance as the site where Captain James Cook first landed in Hawaii in 1778. The Captain Cook Monument, located on the north side of the bay, marks this historical event and also pinpoints the area offering the best snorkeling.

Kealakekua Bay earns its top spot on this list due to its unparalleled water clarity, exceptional marine biodiversity, and the generally calm conditions within the bay. The protected status ensures a relatively unspoiled ecosystem compared to more accessible beaches, with over 40% coral coverage. The dramatic underwater landscape, including the 'Pali Kapu O Keoua' cliff face extending underwater, creates breathtaking reef formations. Learn more about Kealakekua Bay and the surrounding area to plan your trip.

Pros:

• Unparalleled water clarity, often exceeding 100 feet.
• Extremely high marine biodiversity due to the varied depths and protected status.
• Protected from strong currents in most conditions, making it suitable for various skill levels.
• Relatively unspoiled ecosystem compared to more frequently visited locations.

Cons:

• Limited access – requires a kayak tour, boat tour, or a strenuous hike down (and back up!) a steep cliff to reach the best snorkeling spots.
• Can get crowded with tour boats, especially during peak hours.
• Limited facilities – no restrooms or amenities at the Captain Cook Monument side.
• Occasionally closed due to high surf conditions.

Tips for Snorkeling Kealakekua Bay:

• Arrive early: Visit early morning (before 10 am) for the calmest conditions, fewer crowds, and the best light for underwater viewing.
• Consider a guided kayak tour: This is an excellent way to reach the best snorkeling spots safely and efficiently. Kayak tours often provide valuable insights about the bay and its inhabitants.
• Be prepared: Bring all necessary supplies, including water, snacks, reef-safe sunscreen, and any snorkeling gear you might need, as there are no facilities on the monument side.
• Respect the environment: Use reef-safe sunscreen to protect the delicate coral ecosystem. Avoid touching the coral or disturbing any marine life.
• Dolphin watching: Keep an eye out for spinner dolphins, which frequently visit the bay. Remember to maintain a legal and respectful distance from these magnificent creatures.

Whether you're a seasoned snorkeler or a beginner, Kealakekua Bay offers an extraordinary opportunity to experience the magic of Hawaii's underwater world. The combination of historical significance, stunning visuals, and abundant marine life makes it a truly unforgettable destination.

2. Honaunau Bay (Two Step)

Honaunau Bay, affectionately known as "Two Step," earns its spot on this list as one of the Big Island's most accessible and rewarding snorkeling destinations. Its unique combination of easy entry, vibrant marine life, and cultural significance makes it a must-visit for snorkelers of all skill levels. Located just south of Kealakekua Bay, this protected cove offers an unforgettable snorkeling experience. Learn more about Honaunau Bay (Two Step)

The "Two Step" moniker comes from the naturally formed lava rock ledges that create a convenient entry and exit point into the bay. This natural staircase makes entering the water remarkably easy, even for less confident swimmers. Once in the water, you'll find yourself immersed in a thriving ecosystem teeming with colorful fish and coral.

Features and Benefits:

• Natural "Two Step" Entry: The two lava rock ledges provide a simple and safe entry and exit, eliminating the need for awkward wading or struggling against waves.
• Expansive Reef System: Honaunau Bay boasts a healthy and diverse reef system with excellent coral coverage, providing a rich habitat for a multitude of marine species. The relatively shallow depth (5-25 feet) makes it perfect for snorkeling.
• Protected Cove: The bay's sheltered location ensures calm, clear waters for most of the year, making it ideal for beginners and families with children.
• Cultural Significance: Located adjacent to Pu'uhonua O Hōnaunau National Historical Park (Place of Refuge), Two Step offers a unique opportunity to combine snorkeling with cultural exploration.

Examples of Marine Life Encounters:

• Green Sea Turtles: The northern reef wall is a known hangout for these gentle giants.
• Spinner Dolphins: Pods of spinner dolphins are frequently spotted playing in the southern cove.
• Yellow Tangs: A large school of vibrant yellow tangs resides near the center of the reef.

Pros:

• Easy Shore Access: No boat tours are required, making it an affordable and convenient option.
• Free Entry: Snorkeling at Two Step is free, although there is an entrance fee for the adjacent historical park.
• Excellent Visibility: Crystal-clear water with visibility typically ranging from 50-80 feet.
• Less Crowded: Compared to commercial snorkeling destinations, Two Step offers a more tranquil experience.
• Suitable for All Levels: The calm waters and shallow reef make it suitable for both beginner and experienced snorkelers.

Cons:

• Limited Parking: Parking can fill up quickly, especially on weekends and holidays. Arrive early to secure a spot.
• Rocky Shoreline: There is no sandy beach; the shoreline is entirely rocky. Water shoes are highly recommended.
• Few Amenities: Facilities are limited to portable toilets. Bring your own water and snacks.
• Challenging Entry/Exit for Inexperienced Swimmers: While the two-step entry is generally easy, it can be challenging for very young children or individuals with limited swimming ability during periods of surge.

Tips for Snorkeling at Two Step:

• Wear Water Shoes: Protect your feet from the sharp lava rock with sturdy water shoes.
• Use the "Two Steps": Enter the water using the natural steps – the first step will bring you to knee depth, and the second step to deeper water.
• Explore the Reef: Swim along the reef walls and explore the diverse coral formations.
• Visit the Historical Park: Combine your snorkeling trip with a visit to the adjacent Pu'uhonua O Hōnaunau National Historical Park to learn about its fascinating history.
• Bring Supplies: Pack plenty of drinking water, sunscreen, and any other necessary supplies, as there are limited amenities available.

3. Kahaluu Beach Park

Kahaluu Beach Park, situated in the Kona district, is renowned as one of the Big Island's most accessible and beginner-friendly snorkeling locations. This sheltered bay boasts a shallow inner reef, typically ranging from 3 to 10 feet deep, making it ideal for novice snorkelers, families with children, and those seeking a gentle introduction to Hawaii's vibrant underwater world. The combination of a developed beach park with abundant marine life truly sets Kahaluu apart. It’s a place where convenience meets natural beauty, offering a fantastic snorkeling experience without the need for extensive planning or boat trips.

This protected bay is partially enclosed by a man-made rock wall, which minimizes the impact of larger waves and creates calm, clear waters perfect for observing marine life. The presence of lifeguards during daylight hours adds an extra layer of safety and peace of mind, especially for families with younger children. Beyond the snorkeling, Kahaluu offers all the amenities of a well-maintained beach park, including restrooms, showers, and picnic areas, allowing for a comfortable and enjoyable full-day experience.

Kahaluu earns its place on this list due to its remarkable accessibility and diverse marine life concentrated within a relatively small area. The shallow, calm waters make it an ideal entry point for first-time snorkelers and families, while the abundance of colorful fish provides a captivating underwater experience. You're likely to encounter various reef fish, and the central channel is a known feeding spot for green sea turtles munching on seaweed. The southern end of the bay typically boasts the healthiest coral formations. Regularly monitored by ReefTeach volunteers, you can learn more about the local ecosystem and responsible snorkeling practices. You can learn more about Kahaluu Beach Park and plan your visit. Equipment rentals are readily available on-site, eliminating the need to transport your own gear.

Pros:

• Extremely accessible with nearby parking and amenities
• Perfect for beginners and children due to shallow, calm waters
• High concentration of fish in a relatively small area
• Regularly monitored by reef education volunteers
• Equipment rentals available on-site

Cons:

• Often crowded, especially on weekends and holidays
• Limited coral health in some areas due to high visitor traffic
• Water clarity not as exceptional as more remote locations
• Shallow reef can be damaged during low tide by inexperienced snorkelers

Tips for Snorkeling at Kahaluu:

• Visit on weekdays: Avoid the largest crowds and enjoy a more tranquil experience.
• Wear reef shoes: Protect your feet from urchins and sharp rocks in the shallow areas.
• Look for ReefTeach volunteers: Engage with these knowledgeable volunteers for free educational insights about the marine life.
• Snorkel during high tide: Higher water levels offer better coverage over the reef and improve visibility.
• Use the sandy entry points near the south end of the beach: These entry points minimize the risk of damaging coral.

Kahaluu Beach Park's popularity stems from its consistent featuring in Big Island travel guides as the premier beginner snorkeling spot. The Kahaluu Bay Education Center plays a crucial role in promoting responsible snorkeling and educating visitors about the delicate reef ecosystem through its various educational programs.

4. Carlsmith Beach Park (Four Mile)

Carlsmith Beach Park, locally known as Four Mile Beach, offers a truly unique snorkeling experience on the Big Island's eastern shore, near Hilo. Unlike the bustling coral reefs of the Kona side, Carlsmith boasts a series of interconnected, protected lagoons formed by lava rock. These tranquil, spring-fed pools provide a calm and accessible snorkeling environment, especially appealing to families and those new to snorkeling. The park's defining feature is its resident population of Hawaiian green sea turtles, who frequent the shallow, sandy-bottomed lagoons, making it a nearly guaranteed spot for an unforgettable encounter.

The magic of Carlsmith lies in its unique ecosystem. Freshwater springs percolating through the lava rock create fascinating temperature variations and visual distortions known as haloclines, where fresh and salt water meet. While this can sometimes affect visibility, it adds an intriguing dimension to the snorkeling experience. The lava rock formations provide a haven for turtles and certain fish species, and the shallow depths (3-12 feet) make it ideal for beginners and children. The innermost lagoon, often called "Turtle Lagoon," virtually guarantees turtle sightings. While the coral and fish diversity isn't as high as on the Kona coast, the protected environment and abundant turtle population more than compensate, making it a must-visit for marine life enthusiasts.

Pros:

• Reliable turtle sightings: Carlsmith is renowned for its resident green sea turtles, offering almost guaranteed up-close encounters.
• Protected waters: The natural lava rock barriers create calm conditions, even when the ocean surf is high, making it safe for all skill levels.
• Excellent facilities: The park offers restrooms, showers, picnic areas, and shade trees, making it a comfortable place to spend the day.
• Less crowded: Compared to the popular Kona snorkeling spots, Carlsmith provides a more relaxed and less crowded experience.
• Good alternative in rough weather: When Kona side conditions are unfavorable, Carlsmith offers a sheltered option.

Cons:

• Less coral and fish diversity: Compared to the west side, the marine life is less varied.
• Water clarity: The freshwater springs can sometimes create blurry visual distortions and the water is generally not as crystal clear as on the Kona side.
• Rocky entries: Care should be taken when entering the water due to the lava rock.

Tips for Snorkeling at Carlsmith:

• Enter the water via the concrete steps or the small sandy patches between the lava rocks.
• Avoid snorkeling after heavy rainfall, as runoff can reduce visibility.
• Look for turtles resting on the sandy bottom or surfacing for air.
• Maintain a legal distance of 10 feet from sea turtles.
• Explore the outer edges of the lagoons for slightly more fish diversity.

Carlsmith Beach Park deserves a spot on any Big Island snorkeling itinerary because it offers a unique and accessible experience unlike anywhere else on the island. Its calm, protected waters, abundant turtle population, and convenient facilities make it a fantastic option for families, beginner snorkelers, and anyone looking for a guaranteed encounter with these gentle giants. While the coral and fish diversity might be less than other locations, the chance to swim alongside Hawaiian green sea turtles in a tranquil setting makes Carlsmith an unforgettable experience.

5. Mauna Kea Beach (Kauna'oa Bay)

Mauna Kea Beach, nestled within the breathtaking Kauna'oa Bay on the Kohala Coast, offers a truly exceptional snorkeling experience combined with the allure of one of Hawaii's most stunning white sand beaches. This picturesque locale is ideal for those seeking a harmonious blend of relaxation and underwater exploration. The bay's crescent shape creates protected areas perfect for swimming and snorkeling, while the vibrant coral reefs thriving at both the northern and southern points teem with diverse marine life. Learn more about Mauna Kea Beach (Kauna'oa Bay)

This beach earns its spot on our list due to its unique combination of a world-class beach and readily accessible, high-quality snorkeling. The pristine white sand and gradual entry make it perfect for wading, swimming, and sunbathing, while the vibrant coral reefs just a short swim away provide an exciting underwater adventure.

The clear, typically calm waters within Kauna'oa Bay boast excellent visibility, often reaching 50-80 feet on calm days. This exceptional clarity allows snorkelers to fully appreciate the beauty of the coral formations and the colorful fish that inhabit them. The rocky points at either end of the bay are where the coral growth is most prolific, creating an underwater haven for a variety of species. The south point is a particularly well-known spot for turtle sightings.

Mauna Kea Beach also boasts a unique feature: a manta ray feeding station. The Mauna Kea Beach Hotel maintains a viewing platform with powerful lights that attract plankton after dark, drawing in these majestic creatures for a spectacular nighttime show.

Features:

• Pristine crescent-shaped white sand beach with gradual entry
• Healthy coral reefs concentrated at the rocky points on either end of the bay
• Crystal clear water with excellent visibility (50-80 feet on calm days)
• Manta ray feeding station with nighttime viewing platform
• Protected from strong currents in normal conditions

Pros:

• Combines excellent beach facilities with quality snorkeling
• Perfect for families with varied interests (lounging, swimming, snorkeling)
• Opportunity for manta ray sightings, especially at night
• Usually less crowded than public beaches due to limited parking
• Full amenities including restrooms, showers, and beach rentals

Cons:

• Limited public parking (arrive early as spaces fill quickly)
• Hotel guests get priority access during peak periods
• Best snorkeling areas require swimming to the rocky edges of the bay
• Can experience strong currents during high surf conditions

Tips for Snorkeling at Mauna Kea Beach:

• Arrive Early for Parking: Get there before 9 am, especially on weekends and holidays, to secure one of the limited public parking spots.
• Target the Rocky Points: The best snorkeling is found along the rocky outcroppings at the northern and southern ends of the beach.
• Manta Magic After Dark: Don't miss the Manta Ray viewing platform at the Mauna Kea Beach Hotel after sunset for a truly unforgettable experience.
• BYOG (Bring Your Own Gear): While rentals are available, bringing your own snorkel gear can save you money.
• Check with Lifeguards: Always consult with the lifeguards about current conditions before venturing out to the reef areas, especially if you're not a strong swimmer.

The Mauna Kea Beach Hotel, developed by Laurance S. Rockefeller as one of Hawaii's first luxury resorts, has played a key role in popularizing this beach. Consistently ranked among the top beaches in Hawaii by travel publications, Mauna Kea Beach offers a truly unforgettable experience for snorkelers of all skill levels. From the vibrant coral gardens teeming with life to the chance encounter with a graceful manta ray, this location offers a unique blend of natural beauty and world-class amenities.

6. Pawai Bay (Pebble Beach)

Pawai Bay, affectionately known as "Pebble Beach" by locals, presents a unique snorkeling experience on the Big Island, offering a compelling alternative to the often crowded, more popular spots. This hidden gem, situated just north of Kailua-Kona near the Old Kona Airport Beach Park, provides access to a thriving reef ecosystem with exceptional biodiversity, all without the need for a boat tour. It's a true testament to the island's untamed beauty and a must-consider for snorkelers seeking a more secluded adventure.

This snorkeling spot stands out because of its undeveloped shoreline comprised of smooth lava pebbles. While the pebbles lend the beach its unique character, they also provide access to one of the healthiest reef systems on the Big Island. The clear waters, often boasting visibility exceeding 80 feet, reveal a dramatic underwater topography featuring lava tubes, archways, and a vibrant array of marine life.

Features and Benefits:

• Undeveloped shoreline with natural pebble beach: Offers a natural, less commercialized experience.
• Extensive reef system with high coral coverage and diversity: Provides habitat for a wide variety of marine species.
• Excellent water clarity: Allows for optimal viewing of the underwater world.
• Dramatic underwater topography: Creates a more engaging and explorative snorkeling experience.
• Minimal crowds: Allows for a more peaceful and intimate encounter with nature.

Pros:

• Less crowded than popular snorkeling beaches: Offers a more tranquil experience.
• Pristine reef condition with minimal human impact: Showcases a healthier, more vibrant ecosystem.
• High marine biodiversity with chance to see rarer species: Provides a unique opportunity for wildlife encounters.
• No boat tour required to access quality snorkeling: Saves money and allows for flexible scheduling.
• Free access with no entrance fees: Makes for an affordable activity.

Cons:

• Limited parking along residential street: Requires careful planning and potentially arriving early.
• No facilities (restrooms, showers, etc.): Requires bringing your own supplies and planning accordingly.
• Challenging shore entry over unstable pebbles: Necessitates water shoes and careful entry.
• Requires moderate swimming ability to reach best reef areas: May not be suitable for beginner snorkelers or those uncomfortable in open water.
• Can experience strong surge in certain conditions: Check ocean conditions before venturing out.

Examples of Marine Life Encounters:

• Schooling spotted eagle rays are often sighted along the outer reef drop-off.
• Numerous marine species inhabit the underwater lava archways approximately 100 yards from shore.

Tips for Snorkeling at Pawai Bay:

• Parking: Park respectfully in designated areas along Kamehameha III Road. Avoid blocking driveways and be mindful of residents.
• Footwear: Wear water shoes for the challenging pebble entry and exit.
• Supplies: Bring all necessary supplies, including water, sunscreen, and towels, as there are no facilities on site.
• Entry: Enter the water gradually, as the pebbles can shift underfoot.
• Best Snorkeling Area: The best snorkeling is 50-100 yards offshore where the reef begins.
• Optimal Conditions: Visit during morning hours for the calmest conditions.

Pawai Bay deserves a spot on this list because it provides an authentic, less crowded snorkeling experience with access to a thriving reef ecosystem. While it requires a bit more effort to access compared to some of the more developed beaches, the rewards are well worth it for those seeking a more adventurous and secluded snorkeling adventure. This spot is ideal for experienced snorkelers, marine life enthusiasts, and those seeking a glimpse of Hawaii's underwater beauty away from the crowds.

7. Pu'uhonua o Hōnaunau (Place of Refuge)

Pu'uhonua o Hōnaunau National Historical Park offers a truly unique snorkeling experience on the Big Island, blending cultural immersion with vibrant underwater exploration. This special place, once a sanctuary for ancient Hawaiians who broke kapu (sacred laws), now provides a haven for both history buffs and snorkel enthusiasts. The protected bay adjacent to the historical site boasts calm, clear waters teeming with colorful coral reefs and a diverse array of marine life. Learn more about Pu'uhonua o Hōnaunau (Place of Refuge) This combination of cultural significance and natural beauty secures its spot as a must-see snorkeling destination.

The bay's sheltered nature creates ideal conditions for snorkelers of all skill levels, from beginners to seasoned pros. Clear water visibility, often reaching between 50-70 feet, provides exceptional views of the healthy reef system and its inhabitants. You can expect to encounter an array of tropical fish, vibrant coral formations, and even the occasional green sea turtle gliding through the lava tubes at the southern end of the bay. The 'Royal Grounds' shoreline also offers a unique perspective, allowing you to glimpse the underwater extensions of ancient Hawaiian structures.

Pu'uhonua o Hōnaunau goes beyond just snorkeling. The historical park itself features restored heiau (temples), royal grounds, and traditional Hawaiian structures. The National Park Service regularly offers cultural demonstrations and educational programs, enriching your visit with insights into Hawaiian history, traditions, and the delicate marine ecosystem.

Features:

• Historical site with restored Hawaiian temples and royal grounds
• Protected cove with calm waters suitable for all skill levels
• Healthy reef system with diverse coral formations
• Clear water visibility (50-70 feet)
• Cultural demonstrations and educational programs

Pros:

• Combines cultural exploration with excellent snorkeling
• National Park Service facilities and ranger presence
• Less crowded than some nearby spots (though still popular)
• Educational opportunities to learn about Hawaiian history and marine life
• Protected waters offer relatively safe snorkeling conditions

Cons:

• National Park entrance fee required ($20 per vehicle)
• Rocky entry points with limited sandy beach areas
• Parking can fill up, especially during peak hours
• Some areas restricted due to cultural significance

Tips for Snorkeling at Pu'uhonua o Hōnaunau:

• Arrive Early: Beat the crowds and secure parking by arriving before 9 am. The earlier you arrive, the calmer the waters will typically be.
• Explore the Historical Site: Take time to appreciate the cultural significance of the area before or after your snorkel.
• Safe Entry: Enter the water carefully using designated access points to avoid damaging the reef or injuring yourself on the rocks.
• Ranger Programs: Attend ranger talks and cultural demonstrations to learn about the area's rich history and ecological importance.
• National Parks Pass: If you plan to visit multiple National Parks during your trip, consider purchasing an annual pass for cost savings.

Pu'uhonua o Hōnaunau offers a unique and rewarding experience for anyone visiting the Big Island. Whether you’re a history buff, a marine life enthusiast, or simply seeking a tranquil snorkeling spot, this place will leave a lasting impression. The combination of cultural immersion, excellent snorkeling conditions, and educational opportunities make it a truly special destination.

7 Top Snorkeling Spots Comparison

Plan Your Snorkeling Adventure Today!

From the historical richness of Pu'uhonua o Hōnaunau to the abundant marine life at Kealakekua Bay and the family-friendly waters of Kahaluu Beach Park, the Big Island of Hawai'i offers a snorkeling paradise for every skill level and interest. We’ve explored seven incredible locations, each with its own distinct character: Kealakekua Bay, Honaunau Bay (Two Step), Kahaluu Beach Park, Carlsmith Beach Park (Four Mile), Mauna Kea Beach (Kauna'oa Bay), Pawai Bay (Pebble Beach), and Pu'uhonua o Hōnaunau (Place of Refuge). Remembering the unique features of each spot will allow you to choose the perfect snorkeling experience tailored to your preferences. Before you embark on your snorkeling adventure in Big Island Hawaii, make sure you're well-prepared! Check out these helpful snorkeling tips for beginners from Pod Paradise RD. Mastering basic snorkeling techniques will not only enhance your safety but also maximize your enjoyment as you explore the vibrant coral reefs and encounter the diverse marine life.

Taking the time to plan your snorkeling adventure ensures a truly memorable experience. By considering factors such as water conditions, accessibility, and the type of marine life you hope to encounter, you’ll be well-equipped to make the most of your time in the water. These breathtaking underwater encounters will leave a lasting impression, connecting you to the natural wonders of Hawai'i and inspiring a deeper appreciation for the ocean. Ready to dive in? Explore the pristine waters and discover the magic of Hawaiian snorkeling with Kona Snorkel Trips. They offer guided tours and equipment rentals, making your Big Island snorkeling adventure seamless and unforgettable.