From A Wiki of Ice and Fire
The fingers by Cris Urdiales ©
and the location of the Fingers
The Fingers are a rocky area of the Vale of Arryn which extends out into the narrow sea. They are windswept, treeless, bare and stony. It often rains in the Fingers. The seat of House Baelish sits on the Fingers, an unnamed, old flint tower.
A Clash of Kings
Davos Seaworth is sent by Stannis Baratheon with a chest of letters to spread word of Joffrey Baratheon's illegitimacy. His route is to sail to the Fingers and other harbors along the narrow sea.
A Storm of Swords
Petyr Baelish and Sansa Stark sail aboard the Merling King from King's Landing to his family's tower in the Fingers, where Petyr weds Lady Lysa Tully.
References and Notes