An advanced dive for experienced divers only due to the strong currents that frequent this location. The upper wall starts against an outcrop off Dog Island with a sheer 90ft to 100ft drop. Due to the currents, it's conducted as a drift dive, but it is home to, Black tip reef sharks, Tiger sharks, Lemon sharks and Nurse Sharks. This site is at the edge of some very deep water that brings Tuna, Tarpon, Yellow tail snapper and grunts abound.