A beautiful aerial photo of the Port Mayaca Lock and Dam and Lake Okeechobee. Port Mayaca is sparsely populated and located in western Martin County, Florida, on the eastern side of Lake Okeechobee. Named for the Mayaca Tribe, Port Mayaca is centered just south of the Port Mayaca Lock and Dams on the Okeechobee Waterway. (USACE photo)