M&M Marine

M&M Marine Massachusetts premiere boat dealer for Key West, Defiance and MayCraft Boats! Full-service dealer. We also carry a great selection of pre-owned boats for sale.

Massachusetts' premier boat dealer for Key West, Defiance, & Venture Trailers! M&M Marine is a full-service boat dealer conveniently located between Greater Boston and Cape Cod just off Route 3 in the Cedarville section of Plymouth, MA. We are one of the largest Key West dealers in the United States! We also provide boat service, maintenance, and repairs by experienced, trained technicians. We sto

ck a wide variety of lengths and models across our brands and can also custom-order a boat if so desired.

🎣 WE HAVE A WINNER! 🎣Huge congratulations to the lucky winner, , of our premium Shimano Stella reel & Jigging World rod...
07/02/2026

🎣 WE HAVE A WINNER! 🎣

Huge congratulations to the lucky winner, , of our premium Shimano Stella reel & Jigging World rod combo giveaway! 🏆✨

A massive thank you to everyone who entered, and a special shoutout to our awesome friends over at Fish & Tackle in Plymouth for teaming up with us to make this happen.

To our winner: Have a great season out on the water and tag us in some photos of you slaying some fish. 🌊🐟

Walked outside this morning only to see the very first boat I ever sold at M&M Marine, 5 1/2 years ago, receiving some p...
05/08/2026

Walked outside this morning only to see the very first boat I ever sold at M&M Marine, 5 1/2 years ago, receiving some pre-season love. Great to see our customers still utilizing our services after all this time! it probably time to upgrade…hahahahaha!

We are so excited to be kicking this season off with a weekend full of sea trials and deliveries! ...
04/04/2026

We are so excited to be kicking this season off with a weekend full of sea trials and deliveries!

Another happy customer! They took delivery of their Key West 239 FS last Friday and were catching keepers on Saturday! ...
12/11/2025

Another happy customer! They took delivery of their Key West 239 FS last Friday and were catching keepers on Saturday!

We have plenty more new and pre-owned inventory at both our Plymouth, MA and Ocean County, NJ locations to get you geared up for the coming season. There is no better time to buy than now to take advantage of our winter incentives.

Beautiful December Days on the water in Cape Cod Bay! Another successful sea trial on a Key West 260 CC that will be mak...
12/08/2025

Beautiful December Days on the water in Cape Cod Bay! Another successful sea trial on a Key West 260 CC that will be making its way south to the Florida panhandle after some sweet upgrades installed by our techs here at M&M Marine.

We're so excited about our first sea trial, sale, and delivery at our New Jersey satellite location! Despite the below f...
12/06/2025

We're so excited about our first sea trial, sale, and delivery at our New Jersey satellite location! Despite the below freezing temps yesterday, these customers were very happy with their Key West 239 FS. We hope to see some fishing pictures from this father and son duo soon!

Address

20 Cantor Court
Plymouth, MA
02360

Opening Hours

Monday 8:30am - 4:30pm
Tuesday 8:30am - 4:30pm
Wednesday 8:30am - 4:30pm
Thursday 8:30am - 4:30pm
Friday 8:30am - 4:30pm
Saturday 9am - 4pm

Telephone

+15085031094

Website

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