Aloha from Kailua-Kona, Hawaii (the Big-Island). We offer a variety of boat tours on our two eco-friendly ships, the state-of-the-art Spirit of Kona , world's only glass-bottom manta ray viewing cruise vessel and the power catamaran Makai. Head off on an adventure of a lifetime and do it in comfort. Both boats have double decks shaded to protect from the sun and weather, 360 degree views, concession bars and two large bathrooms. Learn more about our tours including the fun-filled glass bottom Sunset Dinner Cruise, exciting spinner Dolphin Adventure, awe-inspiring glass bottom Humpback Whale Watching tour, thrilling Manta Ray swim/snorkel trip & the impressive worlds only Manta Ray glass bottom tour. Depending on the trip you choose, you can expect to enjoy the narration of experienced naturalists providing marine life and historical site information, Hula Shows, live music, entertainment and delicious buffet food bars. Save Online and Book Your Adventure Today!