Suggest an update Name* Categories* State* Locality* ZIP* Street address* Phone* Website* Company description* Visit the hotel Costello's Guest House, which is in the state New York (NY), city Hyde Park. Our hotel can be found at 21 Main St, Hyde Park, NY 12538-1307. Great deals on best and cheap hotels. Your comments* (not for publishing) * — Required information Costellos Guest House/21 Main St - Hyde Park - New York (NY) ← View details 21 Main St, Hyde Park, NY 12538-1307, Hyde Park, New York (NY) Not available