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Welcome to Irwin Marine

Welcome to Irwin Marine – New Hampshire’s leader in new and used boats sales. An authorized dealer for Sea Ray, Meridian Yachts, Stingray Boats, Alumacraft, Berkshire Pontoon boats, Sea Doo, Ski Doo and Old Town Canoes and Kayaks. Established in 1919 we are a full service marina offering boat rentals, boat slips, valet, storage, service and parts. With three locations to serve you in Laconia (603-524-6661), Alton (603-875-5700) and Hudson (603-595-7995).

Lake Winni news

The ice went out in record time this year – March 23rd, the earliest date in history.

Soon the lake will be full of friends and families having fun on the water!!

Service Update

Irwin Marine’s service departments are busy getting boats out of storage and ready for the water.

This is a crazy time for the service department but they do a great job meeting customers expected launch dates.

Boat Rentals

Irwin Marine is getting their rental fleet ready for the season. They are offering 4 boats for full or ½ day rentals.

A Sea Ray 185 or 205 sport as well as the popular Berkshire 210 CL Ltd or 220 CL Ltd Pontoon boats.

Irwin Marine News...

  • Boat Slips MVYC 6e

    Boat Slips – Are now available, reserve yours today

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    New Sea Rays are in our showroom – stop by or call us today.

  • News 1 MianImage_alumacraft

    Summer Boat Rentals – If you’re vacationing on Lake Winni this summer.

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Our Brands


Irwin Marine, Hudson:
261 Derry Road Route 102
Hudson, NH 03051
Phone: 603-595-7995 		Irwin Marine, Laconia:
958 Union Ave.
PO Box 6145
Laconia, NH 03246
Phone: 603-524-6661 		Irwin Marine, Alton:
Route 28A 723 East Side Drive
Alton Bay, NH 03810
Phone: 603-875-5700