New Hampshire’s most respected name in boating since 1919

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Featured Inventory

New Happenings

  • New Store opened!

    We are excited to announce that we have a second Alton Bay location! Come visit the new management team, Kevin McCarthy and David Bowman! See the new store at 396 Main Street and let us prove to you that Irwin Marine is the only choice for your boating needs!

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