Devil's Dance Floor and Siren's Cove are connected and a great dive to take in. The bottom is absolutely beautiful! Rock, craggy with crevises and cathedral walls. Lots of sea life: lobster, flounder, ... Devil's Dance Floor and Siren's Cove are connected and a great dive to take in. The bottom is absolutely beautiful! Rock, craggy with crevises and cathedral walls. Lots of sea life: lobster, flounder, stripped bass as you swim though rock crevices along the bottom. Divers can expect depths of 60+ feet as you head north towards Duck Island.