evidence: Sapodilla Cayes Marine Reserve Sapodilla Cayes Marine Reserve (SCMR) is the most southern of the marine protected areas in Belize, and encompasses the southernmost tip of the Belize Barrier Reef. The reserve covers an area of 321,623.5 acres (approximately 130,156 ha) and contains fourteen palm-fringed sand or mangrove cayes, fringe reefs, natural lagoons, and key spawning aggregation sites (SPAGs).