Suggest an update Name* Categories* State* Locality* ZIP* Street address* Phone* Website* Company description* Visit the hotel Inn on Onset Bay, which is in the state Massachusetts (MA), city Onset. Our hotel can be found at 181 Onset Avenue, Onset, MA 02558. Great deals on best and cheap hotels. Your comments* (not for publishing) * — Required information Inn on Onset Bay/181 Onset Avenue - Onset - Massachusetts (MA) ← View details 181 Onset Avenue, Onset, MA 02558, Onset, Massachusetts (MA) Not available