Aloha and Welcome to the new website for MAUI UNDERSEA ADVENTURES! Also known as MUSA, we cater to Four Seasons Resort Guests, Maui Visitors and Kama’aina alike. Come explore the reefs of South Maui with our experienced guides. Hawaii’s Sea Life is abundant and friendly. Green Sea Turtles, Triggerfish, Puffers, Eels, Wrasse, Butterflies, Angels, Damsels, Surgeonfish, Octopii, and many more. We provide the instruction, equipment and supervision, you provide the desire for adventure. Call or email for more information or reservations today!