a full service marina

Welcome to Allen Harbor Marine Service, a full-service, family-owned boatyard and marina located on beautiful Nantucket Sound. Well known for providing exceptional sales and service, we have been proudly serving Cape Cod boaters for over 90 years.

Our Sales Department can help you find a boat best suited to your boating needs, or assist you with the sale of your current boat.

Our Service Department provides year-round service performed by factory-trained, certified technicians and customer service oriented personnel to make your boating experience safe and enjoyable for the whole family.

About Us

Find Your Boat

Sales

Our Sales Department can help you find a boat best suited to your boating needs, or assist you with the sale of your current boat.

Detail

Service

Our Service Department provides year-round service performed by factory-trained certified technicians and customer-oriented...

Detail

Featured Inventory

New Boats Used Boats

You can't find your dream boat?

Let us help you.

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Do you want to list your boat?

Boat won’t sell by itself

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Do you need a full-service boatyard?

Allen Harbor Marine Service is a full-service boatyard offering virtually every service required to keep your boat running and looking like new!

We are a servicing dealer for the following engine manufacturers: Honda, Yamaha, Volvo Penta, and Crusader. Experienced mechanics are on-staff, and our parts department stands ready to service you. We can handle your inboard, outboard or I/O needs.

Complete boat cleaning and detailing
Ice and provisions delivery
Hull waxing and compounding
Shrink wrapping
Teak maintenance
Fuel services
Bottom paint
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Allen Harbor Marine Service's boating store stocks a wide variety of product.

From safety gear to dock lines & fenders to filters, oil, cleaning supplies & more. Roger Peterson – our Parts & Accessories Manager is ready to help you with all your marine related parts needs.

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