Rosario is a historic and picturesque destination located on the eastern shore of Orcas Island in Washington’s San Juan Islands. Centered around the beautifully restored Moran Mansion—built in 1909 and now home to a museum, spa, and music room—Rosario offers waterfront accommodations, a marina, fine dining, and access to the island’s natural beauty. With its blend of history, charm, and scenic surroundings, Rosario is a beloved retreat for relaxation, recreation, and unforgettable island experiences.