Moro Cojo Estuary State Marine Reserve (SMR) is a marine protected area established to protect the wildlife and habitats in Moro Cojo Slough. Moro Cojo Slough is located inland from Monterey Bay on the central coast of California, directly south of the more widely known Elkhorn Slough. The area covers 0.46 square miles (1.2 km²). The SMR protects all marine life within its boundaries.