Harborside on Orcas Island is the former Cascade Harbor Inn and Harborside guest rooms at beautiful Rosario Resort. Surrounded by the natural beauty of the San Juan Islands, we are located on the waterfront of Cascade Bay at Rosario, offering magnificent views of Eastsound and Orcas Island. Each room offers a private deck overlooking the Rosario Marina and historic Moran Mansion. We offer standard king and double queen guest rooms, as well as one and two bedroom suites with kitchens and fireplaces. Harborside on Orcas Island is also located next to Moran State Park, and is a short 15 minute drive to the shops and restaurants in Eastsound Village. Managed through NW Vacations.