Sanak Island lies amidst the Aleutian Islands archipelago, nestled within the Aleutians East Borough of Alaska. This uninhabited island is part of the Fox Islands group, boasting a total landmass of 60.8 square miles (157.6 square kilometers) shared amongst several islands. Sanak Island and Caton Island reign supreme in size within the Sanak Islands group.

Despite the absence of permanent residents, Sanak Island beckons adventurers with its breathtaking natural beauty. The island's status as part of the Fox Islands guarantees stunning landscapes, making it a haven for outdoor enthusiasts. Hiking and wildlife viewing are just a couple of activities that can be enjoyed amidst Sanak Island's pristine wilderness.