Home to a spectacular array of marine life including white tip sharks, eagle rays, turtles, and octopus and trumpet fish. Diving in Hawaii is fine all year round with up to 40 metres visibility. Reef walls have fantastic drop offs of 2,000 metres with volcanic formations underwater forming canes, caverns, lava tubes and boulders. Corals and marine life are good although diving does vary from island to island. The seas are calmest in the summer months.