It is connected to the mainland by a bridge over Deception Pass at the northern end and by ferry links at the south end (Clinton to Mukilteo) and the western shore (Keystone to Port Townsend, on the Olympic Peninsula).
Whidbey Island is home to Whidbey Island Naval Air Station and is renowned for Penn Cove mussels. Also, five Washington State Parks are located on the island, Deception Pass State Park, Fort Ebey State Park, Fort Casey State Park, South Whidbey State Park, and Possession Point State Park.
Communities with Post Offices (North to South):