1. United States, Alaska--southeast coast, Etolin Island to Midway Islands, including Sumner Strait Yale Public content 1999. 2011-11-21T14:35:00Z. 2015-10-21T15:06:17Z. United States Coast Survey. The Survey ; NOAA Distribution Branch, N/ACC3, National Ocean Service, distributor. English. Public. Sumner Strait (Alaska).