Not only will these sunscreens not harm the reefs where you surf, they're so natural you could probably spread them on toast. Please don't actually do that.
Hanauma Bay is one of the most popular visitor attractions on Oʻahu and for good reason. The protected marine bay in East Honolulu is easily the premier
Hawai‘i’s vibrant and extensive reef systems, unique marine life and year-round warm waters make for exceptional snorkeling. Beneath the ocean’s surface, A beginner’s guide to snorkeling in Hawaiʻi.