Coho Restaurant is located in Friday Harbor, United States on 120 Nichols St. Coho Restaurant is rated 4.3 out of 5 in the category caterer in United States. Coho Restaurant, Friday Harbor, San Juan Island, serves Island grown Pacific cuisine with a Mediterranean flair. Coho's talented chefs create exciting menus developed around the seasonality of fresh ingredients from the surrounding Islands. Coho showcases simple and artful fare that allows the flavors of the individual ingredients to resonate on the palate.o Restaurant is proud to support our local farm community by participating in the Island's Certified Local Program. Their award-winning wine cellar culled from the great producers of Washington, Oregon, and California along with a fine selection of international wines are paired to complement the food.