Thayer Marine Offers the Best Pricing and Service in Southern Michigan. Bennington Marine, Sylvan Pontoons , Bayliner, Scarab, Four Winns, Yamaha and Mercury Outboards



July Sales Event Going On NOW! Clearance Pricing All Models Must Go! 2025 are coming in Daily. 

6.99% to Qualified buyers up to 180 Months




Bennington Building Logo

Thayer Marine offers both Sea-Legs and Ultra Legs for Pontoons




Welcome To Thayer Marine Serving Mid-Michigan for Over 38 Years.

We Offer Boat Show Pricing All Year on Bennington Pontoons, Sylvan Pontoons, Scarab Jet Boats, Four Winns Sport Boats, Bayliner-Boats, Yamaha Outboards, Mercury Outboards, Mid-America Pontoon Trailers. Our Service Department Has the area’s Only Factory Trained Technicians who can Service Any Brand.

Thayer Marine is the Only dealer in the United States to offer its customers that purchase new and used or that frequents our service department a QR code that can become a download-able application called Tech-Connection. This application allows the customer direct access to text and email communication with our service team. Customers can access our live service call and storage delivery schedule in real time and schedule a time for a technician’s visit or have their storage unit delivered. Tech-Connection eliminates having to call the service department to explain who they are and what they must schedule service or ask any related question about their watercraft. Tech-Connection’s intelligent database knows who the customer is, where they are located and what unit they own even if they own multiple units. Tech-Connection has given our customers the advanced communication technology that makes Thayer Marine stand out by itself.
Contact our Service team to get your QR code.


Tech Guy2

Click Below for a quick video