Waterfront Homes for Sale in Knox County, ME
Knox County waterfront homes sit on Penobscot Bay, tidal rivers and inland lakes across Maine’s midcoast. Browse waterfront homes across Maine, create a free account to save this search and receive alerts, or call Cates Real Estate at 207-701-5600 to speak with an agent.
Oceanfront, Riverfront and Lakefront Homes in Knox County
Knox County stretches along the western shore of Penobscot Bay, from Thomaston and Rockland to Camden, Rockport and the islands of Vinalhaven and North Haven. Waterfront properties here include saltwater homes with deep-water moorings, cottages on the St. George River, and lakefront houses on Megunticook Lake and Lake Chickawaukie. Shoreline frontage, tidal range and dock permitting vary widely from one property to the next. Cates Real Estate is based in the midcoast and can help you compare frontage, access and year-round use. Related searches include waterfront homes in Rockland and waterfront homes in Camden.
Frequently Asked Questions
- What kinds of waterfront are found in Knox County, Maine?
- Knox County has oceanfront on Penobscot Bay and Muscongus Bay, tidal river frontage on the St. George River, and freshwater frontage on several lakes and ponds.
- Can I build a dock on Maine waterfront property?
- Docks and piers in Maine generally require local and state permits, and some shorelines are not suitable. Check permitting before relying on dock plans.
Listing data is derived in whole or in part from the Maine IDX and is for consumers' personal, noncommercial use only. Dimensions are approximate and not guaranteed. All data should be independently verified. ©2026 Maine Real Estate Information System, Inc. All Rights Reserved. 
Privacy Policy
Cates Real Estate participates in ©2026 Maine Listings Internet Data Exchange program, allowing us to display other Maine IDX Participants' listings. This website does not display complete listings. Certain listings of other real estate brokerage firms have been excluded. Mortgage figures are estimates. Check with your bank or proposed mortgage company for actual interest rates. This product uses the FRED® API but is not endorsed or certified by the Federal Reserve Bank of St. Louis.