4 Cave Snorkeling and Swimming in the USA Worth the Descent

1.Kona Snorkel Tour: Captain Cook Reef Snorkel, Dolphin & Sea Caves

★★★★★★★★★★4.5 · 1,411 reviews · 2 hours 45 minutes (approx.) · from $71Our pick

Ride a fast Navy-style Zodiac from Kailua-Kona to Kealakekua Bay, where you snorkel Captain Cook Reef and visit sea caves and lava tubes. Guides such as David, Chip, Sage, and Danielle share local history along the coast. The tour lasts about 2 hours 45 minutes, includes gear, water, and pineapple, and may spot dolphins or whales.

“This was so much fun! We saw whales, a huge pod of dolphins and tons beautiful fish. Rory and his wife were so kind, fun and very passionate!”

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2.Dolphin, Sea Cave & Captain Cook Snorkel Combo in Kealakekua Bay

★★★★★★★★★★4.5 · 220 reviews · 2 hours 30 minutes (approx.) · from $83

You’ll ride a small Zodiac RIB from the Kona area to Kealakekua Bay, where you snorkel among coral and fish near Captain Cook Monument. Guides such as Danielle, Chip, Dave, Patty, and Rory share local history and safety tips. The return includes sea caves and lava tubes when conditions allow, plus pineapple and water.

“Super laid back. Great boat ride on a zodiac. Better than a big boat with lots of people. Gave a nice little bit of the local history.”

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3.Kauai: Nā Pali Coast Zodiac Raft Sea Caves + Snorkel

★★★★★★★★★★4.9 · 166 reviews · 4 hours · from $237Top rated

Join Na Pali Riders on a 30-foot Zodiac raft from Waimea for a fast, rough-water ride along Kauai’s Nā Pali Coast. Captain Brandon, Cassie, Mak, and other trained crew members guide you past cliffs, waterfalls, sea caves, dolphins, and seasonal whales, with snorkeling and cave entry dependent on weather.

“Unforgettable experience! This zodiac raft adventure was absolutely breathtaking. Dramatic cliffs, waterfalls, and sea caves. Our crew was knowledgeable, fun, and made the ride both thrilling and safe. We spotted dolphins along the way and had a fun open water swim. It’s the perfect mix of adventure and natural beauty. A must-do when visiting Kauai!”

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4.Ultimate Na Pali Coast Zodiac Boat Snorkeling and Sea Cave Tour

★★★★★★★★★★4.5 · 101 reviews · 5 hours (approx.) · from $257

Set out from Kīkīaola Harbor with a crew such as Justin, Ona, CJ, or Shane for a five-hour Zodiac trip along Kauai’s Nā Pali Coast. Expect fast open-water riding, sea caves when conditions allow, snorkeling, waterfalls, marine life, island stories, and a light deli lunch. This is an active ocean adventure, not a gentle cruise.

“One of the most wild experience with such an amazing captain and crew! Would highly recommend them both, no other tandem can top them😏”

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