The wall is the shallower dive closer to shore and the extension is a deeper site following the outcropping rocks of Mt. Irvine Bay. The wall contains beautiful canyons, cracks and ledges and is home to large groups of schooling fish and the occasional seahorse. At the extension, you reach a massive coral reef that offers shelter to a variety of creatures and off the reef you might see tarpon, cobia and eagle rays. Depth: 30' 50'
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Sheer rock faces on the northern and western sides of the Sisters Rocks contrast with the shallower coral reef on the eastern landward side which teems with schools of brown chromis, black durgeons and creole wrasse. While divers are ever hopeful for shark sightings, the rare cherub fish and flameback angel (both species of dwarf angel fish) can be found here. Depth: 40' - 130'