Winter Harbor Agency, The Share: Services Winter Harbor Agency, The Visit Website 165 U.S. Rt 1 Gouldsboro, ME 04607 (207) 963-2347 Hours: Open all year. About Map About Insurance & Real Estate, Personal & Commercial Insurance. Home, auto, boat, business & seasonal dwellings. What's Nearby? Distance: 5 10 15 20 25 50 mi.