• Mon – Fri: 9AM – 6PM Sat: 9AM – 2PM Sunday: Closed
  • RR1 19044 Hwy. 2 Cornwall Ontario K6H 5R5
  • (613) 931-1611
  • Mon – Fri: 9AM – 6PM Sat: 9AM – 2PM Sunday: Closed
  • RR1 19044 Hwy. 2 Cornwall Ontario K6H 5R5
  • (613) 931-1611

About Us

Located on the north shore of the St. Lawrence River across from Stanley Island near Buoy D-68 (East) and B-74 (West), Summerstown Marina is a full service marina with 70 slips that can accommodate boats up to 40 feet. The marina offers a deep water boat launch and dry dock storage facilities that can accommodate boats up to 40 feet and 30,000lbs with our new Taylor Marine lift. Services include an on-site repair shop offering full-time certified mechanical and fiberglass repairs to boats and personal watercraft. Our performance shop specializes in custom rigging and high performance/racing engines.

We are a proud distributor of Larson Boats. Quality boats for over 100 years. Cruisers, bow riders, pontoons or fishing boats. The choice is yours. Choose from our in-stock inventory or custom order the perfect boat. We also carry a selection of quality pre-owned boats. Power options include Mercruiser and Volvo Penta as well as Mercury Racing. Custom power is always an option at Summerstown Marina as our specialty is building high performance/racing engines that exceed the highest standards of quality and reliability to propel your boat to new levels of performance.

Summerstown Marina also stocks a full line of boating gear and accessories, parts, and water sports equipment at very competitive prices everything you will need to enjoy your day out on the water.

Let Summerstown Marina be your total boating destination. We look forward to helping you make all of your boating dreams come true.


Tow Service

Should you breakdown on the water, our competent service crew can tow you safely to our full service marina, or to your destination of choice.


Your options range from outdoor storage with shrink-wrap, covered rack storage and indoor storage. Security is paramount with on-site 24hr monitoring.


Our rigging staff can custom rig your vessel with every conceivable piece of marine equipment on the market. We offer full underwater repairs for propellers, shafts, struts, strut bearings, rudders, skegs and lower units.

Dockage & Slips

Available by the week, month, season or annual. We are waiting to welcome you and your crew to your home away from home in the Seaway Valley.


The marina hosts Mercury trained and certified technicians who are experienced in marine diagnostics and servicing of a wide range of boats from pleasure to ultra high performance.

Restoration and Detailing

Our restoration and detail staff takes great pride in keeping your boat looking its best including upholstery and carpeting.