The most spectacular diving on these giant rocks is between 15m and 35m, but divers can choose their depth. There are sheer drop-offs, ledges crammed with marine life and an abundance of fish. Visibility is often 30m plus....a photographers paradise. The rocks are a home to a colony of inquisitive seals, who often play with divers. There are also the remains of an ancient wreck on little Skelligs.