Our highly professional service team provides fast, quality, and dependable repairs so you can get back on the water to enjoy your boat.

Full Service Thousand Islands Marina

Clark’s Marina is a family-owned marina that has been proudly servicing boats in beautiful Gananoque, Ontario for over 60 years.

We are located on the St. Lawrence River with the ability to take care of your boating needs and provide a down-to-earth and friendly boating experience.

Whether you plan to stay for the season or for the night. If you are coming in for fuel or a mechanical issue with your vessel, our experienced on-site mechanics and staff strive to make your Clark’s Marina experience as worry-free as possible.

We want to get you back to boating.

At Clark’s Marina, our fuel dock offers both premium gas and diesel for your boating needs. Our docks can accommodate boats from 20 to 50 feet, and we have one of the best launching facilities for your boat.

Our full-service marina has un-serviced slips, and serviced slips that offer 30 amp hydro and water.

Our new Boater Building provides washrooms, showers and laundry facilities.

For our colder months, we offer dry land boat storage for your convenience.

Clark’s Marina has an outstanding team of experienced mechanics to help you with all your boating maintenance and repair needs.

Marine Services Available

2025 Summer

Boat detailing

Our trained technicians provide the proper care for your boat inside and out. Cleaning and waxing your boat’s gel coat is essential protection against our tough weather elements. Let us provide the beautifying care for your prized possession. No job is too big or too small.

Stern Drive Service

We will service the drive, grease the u-joints, and inspect the bellows of your sterndrive.

Engine Tune-Up

Your stern drive should be removed and serviced every two seasons.  We will service the drive, grease the u-joints, check your alignment and inspect the bellows of your stern drive.

Fibreglass Repair

From scratches to collision damage, we can provide you with high quality cosmetic and structural repairs on fibreglass.

Canvas Repair

If your boat’s canvas is suffering from damage due to tears, mould, or cracking we can provide you a quote for repair/replacement.

Change Water Impeller

Your engine and generators have water impellers that are essential to the cooling process.  Your impeller should be changed every two years.

Marine Service Booking

Whatever the problem or concern, our full-service marine shop has the ability to meet your boating needs. We will keep you and your boat on the water. Complete our convenient service booking form below to schedule your appointment today!

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