
Boat Winterization in Port Sanilac, MI
Get Your Boat Ready for a Michigan Winter
Comprehensive winterization for engines and onboard systems, so your boat is protected through the cold months and ready come spring.
Winterization Done Right
A Michigan winter is hard on a boat that is not properly prepared. Port Sanilac Marina’s service department works through each system on your vessel to get it ready for the season ahead. Bring your boat to the marina and we will handle the rest.

Engines We Winterize
- V-8 inboard and inboard/outboard
- 6, 4, and 2 cylinder inboard and inboard/outboard
- Outboards, 2 cylinder and larger
- Diesel engines
Onboard Systems We Cover
- Pressure and hot water systems
- Marine heads
- Air conditioning and heating units
- Washing machines, dishwashers, and ice makers
- Generators and miscellaneous pumps
Pricing Notes
Shrink wrap pricing depends on your vessel and add-ons such as mast up, door, bow pulpit, swim platform, and flybridge or radar arch. Pricing is subject to change, so please contact the marina for current shrink wrap pricing.
Winterization does not include the reactivation of systems or the cost of antifreeze, fogging oil, or stabil. Before service, boat owners must have the holding tank pumped out and water tanks emptied.
Schedule Your Winterization
Beat the cold and get on the schedule early. Call us at (810) 622-9651 or email jill@portsanilacmarina.com to book your winterization service.

