Honolulu’s crystal-clear waters and abundant marine life make it a prime destination for snorkeling enthusiasts. Unlike many tropical spots, Oahu offers a surprising variety of options—whether you prefer a quick turtle encounter, a scenic boat cruise, or a full-day adventure circling the island. The waters around Waikiki are famous for Hawaiian green sea turtles and colorful reefs, while spots like Hanauma Bay and Turtle Canyon are packed with marine wonders. For those seeking a more personalized experience, private tours and small-group outings ensure a more intimate connection with the ocean. Whatever your skill level or schedule, Honolulu’s snorkeling options promise authentic encounters with Hawaii’s vibrant underwater world.
This guide highlights 16 of the best snorkeling experiences in Honolulu, including half-day cruises, full-island tours, private charters, and specialized excursions. Whether you’re after guaranteed turtle sightings, scenic boat rides, or multi-activity adventures, you’ll find something that matches your style and budget.
Quick Overview
Our list covers guided tours ranging from 2-hour excursions to full-day explorations. We include options like From Waikiki: Turtle Canyon Snorkeling Tour, which guarantees turtle sightings in an intimate setting, as well as Oahu: All Day Circle Island Tour with Snorkeling, perfect for those wanting to see the entire island with a taste of underwater exploration. For a scenic, luxurious cruise, Oahu: Luxury 50′ Catamaran Cruise with Snorkeling and Sunset offers an upscale experience. Smaller groups and private charters like Oahu: Waikiki Private Snorkeling and Wildlife Boat Tour provide personalized service. Below are detailed reviews of each.
1. From Waikiki: Turtle Canyon Snorkeling Tour
Join an intimate snorkeling tour along Waikiki’s coast where you are virtually guaranteed to swim with Hawaiian green sea turtles. This tour limits the group to just 19 people, making it easy to have a relaxed experience. The trip starts at Island Splash Tours, with a brief boat cruise before reaching Turtle Canyon, a known turtle hotspot. The guides are praised for their helpfulness and ability to make everyone comfortable, regardless of swimming skill. Many reviews mention seeing plenty of turtles and fish, along with the ease of access from Waikiki hotels. Inflatable life vests are provided, ensuring everyone can enjoy the water safely. This is a great choice for families and first-time snorkelers wanting guaranteed turtle encounters in a small-group setting.
Bottom Line: Perfect for those seeking a personal, relaxed experience with guaranteed turtle sightings and friendly crew.
2. Oahu: All Day Circle Island Tour with Snorkeling
Maximize your Oahu visit with this full-day sightseeing tour that includes snorkeling at Turtle Bay. Starting with hotel pickup, you’ll explore key landmarks like Diamond Head Lighthouse, Halona Blowhole, and Makapu’u Point Lighthouse Trail. The tour combines cultural insights and scenic stops with a dedicated snorkeling session—perfect for travelers who want to cover a lot in one day. The trip includes free snacks and snorkel gear, making it a convenient, budget-friendly option. Reviewers highlight the guide Henry’s knowledge and the fun snorkeling at Turtle Bay, where they saw a variety of fish. This tour suits active travelers eager for a comprehensive island experience without the hassle of driving.
Bottom Line: Ideal for those with limited time who want a one-stop-shop for island highlights and marine adventure.
3. Oahu: Waikiki Turtle Snorkeling Adventure Cruise
A scenic catamaran trip along Waikiki’s shoreline is the setting for this popular snorkeling cruise. It lasts about 2 hours and offers a chance to spot majestic sea turtles, colorful reef fish, and vibrant coral reefs. The crew’s attention to safety and their enthusiasm for marine life make this a favorite among repeat visitors. Many reviewers mention the helpful guides and the relaxed, fun atmosphere. Snacks are included, and the boat’s comfortable setup allows for both shaded and sunny seating. It’s especially suited for those who want quick access to Waikiki’s underwater world with a touch of sailing luxury.
Bottom Line: A well-rounded, short cruise that combines scenic sailing with guaranteed turtle sightings.
4. Dolphin Watching and Snorkeling on the West Coast of Oahu
This 3-hour adventure on a spacious 42-passenger catamaran offers more than just snorkeling. You’ll cruise along Oahu’s west coast searching for dolphins, Hawaiian monk seals, and manta rays. Snorkel gear is provided, and the boat’s stability ensures a smooth ride. Passengers praise the friendly crew and the chance to see wildlife in their natural habitat, often including turtles. The boat’s comfort, combined with the opportunity for dolphin sightings, makes it a top pick for nature lovers. This tour is suited for travelers who want a short, wildlife-focused outing with a good chance of seeing a variety of marine animals.
Bottom Line: A wildlife-centric tour that offers snorkeling plus the thrill of spotting dolphins and seals.
5. Ultimate Grand Oahu Circle Island Tour with Snorkeling and More
Think of this as the biggest sightseeing day on Oahu, with 16 iconic stops plus a dedicated snorkeling session at Turtle Beach. The 10-hour tour takes you from Diamond Head to the Dole Plantation, with numerous photo opportunities and cultural insights along the way. Snorkeling gear is included, and the guide shares detailed information about the island’s history and natural wonders. Guests appreciate the full itinerary, which hits multiple beaches and scenic vistas, making it ideal for travelers with limited time but a desire to see everything. The value lies in combining land and water adventures in one day.
Bottom Line: Perfect for travelers who want a comprehensive, all-inclusive day exploring the entire island, with some snorkeling thrown in.
6. Waikiki: Sea Turtle Snorkeling, Small Group Boat Tour
This small-group tour maxes out at 6 people for maximum attention and safety. It departs from Hawaii Ocean Charters and offers a high likelihood (99%) of seeing sea turtles. The boat is spacious, shaded, and equipped with comfortable seating, making it suitable for all skill levels. Many reviewers describe it as “fabulous,” and the personalized service is a highlight. The tour includes a guided snorkeling experience at Turtle Canyon, with knowledgeable crew pointing out marine life. Its intimate size makes it a good choice for travelers who want a more customized, less crowded experience.
Bottom Line: Excellent for those seeking a personal, high-quality snorkeling outing with a very high chance of turtle sightings.
7. Oahu Snorkeling with Turtles, Water Scooter, Paddleboard
This tour combines snorkeling, water scooter rides, and paddleboarding for a well-rounded water day. You’ll start with a guided tour to Turtle Canyon, where the guides help you spot sea turtles and colorful fish. The electric water scooter adds fun for thrill-seekers, and paddleboarding offers a more relaxed option. Many reviews praise the experience for its variety and the local snacks like musubi. It’s suitable for adventurous travelers who want more than just snorkeling and are comfortable in open water. The guides’ helpfulness makes this a standout.
Bottom Line: Best for active travelers looking for variety, combining snorkeling with water sports.
8. Grand Tour Around Island 16 Locations plus Snorkeling
This 8-10 hour tour hits an impressive 16 sites, from Diamond Head to Waimea Bay. Alongside sightseeing, you’ll enjoy snorkeling at North Shore’s Shark’s Cove. The guide provides in-depth commentary on the island’s geology, culture, and history while taking you to iconic spots like MacNut Farm and Dole Plantation. The tour includes snorkel gear and snacks, making it a day packed with activity. Reviewers love the thoroughness and the chance to see famous beaches and landmarks in one trip. It’s ideal for those who want to combine land, marine, and cultural sights in a long but comprehensive day.
Bottom Line: Perfect for travelers who want to see everything in one day, with the added thrill of snorkeling.
How to Choose the Best Snorkeling Experience in Honolulu
Choosing the right snorkeling tour depends on your budget, time, interests, and fitness level. For a quick, guaranteed turtle encounter, From Waikiki: Turtle Canyon Snorkeling Tour offers intimacy and reliability. If you want to explore the entire island with a mix of sightseeing and snorkeling, Oahu: All Day Circle Island Tour or the Grand Tour are both excellent options. Those seeking a luxury or private experience should consider the Luxury Catamaran or private boat tours. Budget travelers will appreciate the value of multi-stop tours with snacks included. Booking early is recommended, especially in peak season, to secure your preferred date.
Final Thoughts
Honolulu offers a range of snorkeling adventures that can satisfy nearly any traveler. For guaranteed turtle encounters in a small group, Turtle Canyon is hard to beat. If you prefer a full day of island exploration with snippets of marine life, Full Island Tours and 16-Stop Grand Tour deliver impressive value. For those seeking a more luxurious or intimate experience, the luxury catamaran or private tours offer personalized service and stunning settings.
Remember, the best experience depends on what you’re after—whether it’s the thrill of spotting turtles, exploring multiple scenic spots in one day, or enjoying a quiet, personalized cruise. Book early, pack your sense of adventure, and get ready to experience Hawaii’s incredible underwater world firsthand.