One of our three stores is located on Route 28A in Alton Bay. In the summer we display a full line-up of our finest boats, featuring our newest line of Stingray Boats as well as Sea Ray sport boats, Berkshire Pontoon boats, Alumacraft Fishing boats,Sea Doo PWC's and Jet boats.  We have a full parts and accessory department.  Our service department is Mercuriuser, Mercury outboards, Sea Doo PWC's and jet boat certified. In the fall we offer a complete winter storage program.  When the snow flies we gear up for the snowmobiles where you can visit our showroom and see the full line-up of  Ski Doo products. Complement your new sled with ski doo accessories which includes helmets, snowmobile pants and jackets, hats, gloves and boots. Our regular hours areas follow:

Monday thru Saturday 9 to 5 Sunday on appointment

Irwin Marine - Alton
Route 28A
723 East Side Drive
Alton Bay, NH 03810

Phone: 603-875-5700
Fax: 603-875-8854

Contact Irwin Marine - Alton

General Hours

Monday - Saturday
9:00 am - 5:00 am
Sunday
Closed

Service Hours

Monday - Saturday
9:00 am - 5:00 pm
Sunday
Closed

Parts Hours

Monday - Saturday
09:00 am - 05:00 pm
Sunday
Closed
Our Brands View Our Brands Sea Ray Meridian Yachts Sea Doo Boats Sea Doo PWCs Ski Doo Alumacraft Old Town Canoes and Kayaks Berkshire Pontoons Mercury Engines EZ Loader Trailers Laser Performance