The Big Island of Hawaii has some of the most untouched scenic waters in the entire island chain and is something visitors remember for their entire lives. And there are lots of ways to have fun in the ocean. Surfing, Snorkeling, Jet-Skis, Scuba Diving, Kayaking, Etc, are all available on the Big Island. Sure, swimming off the beach is enjoyable and peaceful, but if you want to really have an adventure, check out the activities below.