There is plenty of coral and small reef fish with lots and lots of turtles, especially further out in the bay. Towards the outside of the bay and to the west is Hekili point, black and white tip reef sharks are usually plentiful out here. There are no facilities to speak of out here, except the Olawalu general store. About the worst danger here is getting your car stuck in the sand. Papalua, Coral Gardens and 1000 Peaks Beginner and Intermediate Snorkeling.
Entrance is on the beach right where the shoreline changes to rocks.
There is wonderful coral here, some of the best in the area. There are also lots of turtles, there isn't a big variety of reef fish, and the fish are timid and won't let you approach too close. Parking is just pulling off onto the side of the highway. Occasionally the surf here is heavy, the snorkeling isn't any good when the waves are sizeable anyway. Be cautious when the surf is high.