Big Island Catamaran ; Kona Snorkel Tours Step aboard this double-decker catamaran for our most popular Big Island Kona Snorkel and Dolphin Tour. Guaranteed dolphin sightings or the next trip is FREE! On this 4.5 hour criuse you can discover Kona’s underwater paradise during our Kona Snorkel Tour while looking through the crystal clear Hawaiian water of the protected marine sanctuaries of Red Hill which is home to more than 600 species of ocean wildlife.First on the double-decker catamaran, cruise 10 miles to a protected marine sanctuary teeming with thousands of tropical fish. Spinner dolphins often join us on this part of the tour. Then it’s time to get in the water. Free introductory lesson to snorkeling Guaranteed dolphin sightings or your next trip is free Big Island Style breakfast Delicious BBQ lunch Snorkel gear, sunscreen, flotations toys included Fantastic 20′ waterslide! Snorkel beginners will become confident snorkelers after our fun introduction lesson from our lifeguard-trained crew. Enjoy the inspiring world of Hawaii’s underwater paradise on our Dolphin and Kona Snorkel Tour!