Honolulu Scuba Company, Honolulu

There's no better place to launch a lifelong hobby under the sea than Honolulu. Located near such popular diving sites as Horseshoe Reef, the wreck of the Sea Tiger, and the thriving ecosystem of coral heads at Turtle Canyon, Honolulu Scuba Company is perfectly positioned to invite beginners into the sea. There are more than 650 reef fish in Hawaii—200 of which can't be found anywhere else—so it's an ideal place to earn your certification and meet your gilled neighbors.