Three Arch Inn Address: 1505 Pacific Ave, Oceanside, OR 97134 Phone: (888) 406-8795 Payment: Hotels & Motels Other Businesses: Ocean Front Cabins at 1610 Pacific Ave NW, Oceanside, OR 97134 Oceanside Motel at 1440 Pacific NW, Oceanside, OR 97134 Ocean Front Deli at 1610 Pacific Ave, Oceanside, OR 97141 Roseanna's Cafe at 1490 Pacific Ave NW, Oceanside, OR 97134