San Juan Island and Cattle Pass Lighthouse seen from Lopez Island over Shark Reef, in Cattle Pass, between Lopez and San Juan Islands in the San Juan Islands of Washington. Watmough Bight is a successful preservation effort of the San Juan Preservation Trust, an active organization Viewed from Shark Reef Park on Lopez Island, looking south toward the Olympic Mountains and Olympic National Park across the Strait if Juan de Fuca. Sea Lions sun on the reef.