The S.S. Lennox was sunk when she was chased by a submarine onto rocks at the back of the Great Saltee.

The wreck lays in 10-18m of water at the back of the Great Saltee parallel to the Collough Rocks

Coningmor Rock:

This is the larger of the 2 Coning rocks, it can be seen as it lies above water. the area is full of seals.
The general depth is around 20-30m.

Coningbeg Rock:

The remains of a lighthouse foundations may be seen around the bottom as well as parts of an unknown wreck. Like it's larger namesake its prone to strong currents.