Mill Stream Antiques Share: Shopping Mill Stream Antiques Visit Website Corner of Route 1 and 200 sullivan, ME 04664 (207) 422-3155 Hours: Open Wed, Fri and Sat 9-5:30. About Map About Browse in the inviting atmosphere of the 1820's era Cascade House in Sullivan Harbor where you will find a variety of antiques, art, locally made artisan goods. Open Wed, Fri and Sat 9-5:30. What's Nearby? Distance: 5 10 15 20 25 50 mi.