Flower Garden Banks National Marine Sanctuary Flower Garden Banks National Marine Sanctuary A Secret Coral 'Garden' in the Gulf of Mexico Sea Life Central Located 70 to 115 miles off the coast of Texas and Louisiana, Flower Garden Banks National Marine Sanctuary is one of 14 marine protected areas managed by NOAA's Office of National Marine Sanctuaries. In the warm, subtropical waters of the Gulf of Mexico, roughly 100 miles south of the Texas-Louisiana border, there lies a secret garden. East and West Flower Garden Banks, and nearby Stetson Bank, are unique underwater features festoon...