Boca de QuadraThe Boca de Quadra is a bay extending southwest from the Keta River to Revillagigedo Channel in Southeastern Alaska. It is located almost entirely within Misty Fjords [National Monument].Name originThe bay was named in 1792 for Juan [Francisco de Bodega y Quadra] by Jacinto Caamano, in relation to Quadra's expeditions and surveys in the region in 1775–79. The name was adopted by Captain George Vancouver, RN who explored this estuary on August 6, 1793.