This practice continued till the early 70's. Much of the Military land is now part of Culebra's National Wildlife Refuge. Check out this brown pelican, an endangered spices, diving for lunch. . For maximun flexibility, bring your own snorkel equipment. You can nearly walk to the coral heads from the west side of the beach but remember they extend into deep water on the far side.
Many fish feed in the shallows between the beach and the coral.
If you swim slowly or stand still, they will eat strips of bread crusts from your hand. . The coral head is only 5 or 6 ft. high beachside, but drops to 20 ft. oceanside. The yellow kernels of attract the reef fish which seem to like them. As you swim around the heads, you will notice changes. Little fish may inhabit the shallows, but big ones cruise the far side. .