Sharon Conglomerate Sandstone..
Walk down the stone stairs, your continuous left is the Main Wall, through a corridor and there is an obvious roof to your right, an arete to your left and slab in front of you. This is the Island.
Browse More Classics in Island
Mountain Project's determination of some of the classic, most popular, highest rated routes for Island:
The Sandbox V0+ Boulder, 30 feet
The Orgator V3-4 Boulder, 15 feet
Double O 5.7+ TR, 1 pitch, 50 feet
Abe's Traverse 5.9+ TR, 1 pitch, 60 feet
The Arete 5.9+ TR, 1 pitch, 5560 feet
Scarpa 5.9+ TR, 1 pitch, 50 feet
Dunes 5.10+ TR, 1 pitch, 60 feet
Phantom Fifth 5.11+ TR, 1 pitch, 45 feet
Featured Route For Island