Leonida Keys National Marine Sanctuary

Protected marine sanctuary covering most of the reef tract, with strict anchoring rules and patrol boats.

Leonida Keys National Marine Sanctuary is a fixture of the Leonida Keys, the island chain that stretches south from the mainland into the reef. Protected marine sanctuary covering most of the reef tract, with strict anchoring rules and patrol boats. Expect slow two-lane traffic, pastel-painted conch houses, and the steady background sound of outboard motors and wind.