Dempsey Marine Electronics & Electrical

Dempsey Marine Electronics & Electrical Full-service marine electronics retailer and installer, servicing Cape Cod and the Islands, available worldwide for all of your boating needs.

Dempsey Marine Electronics and Electrical is a certified dealer and installer specializing in the supply, installation, and servicing of the latest marine electronics and electrical systems available. Our trained and certified technicians consult directly with vessel owners, captains and manufacturers on complex system integration, upgrades and repairs. Our goal is to keep your systems up to date

with the latest technologies and running at peak performance. At Dempsey, we are quickly becoming a leading electronic systems integrator, supplier and installer of navigation systems, bridge systems, radio communications, CCTV, video surveillance, internal communications, crew entertainment, and mission systems.

04/15/2026
04/13/2026

The best first mate!

04/13/2026

the best first mate!

It’s GO time on Cape Cod. In order to maximize your time on the water this season, go through your electrical system now...
03/26/2026

It’s GO time on Cape Cod. In order to maximize your time on the water this season, go through your electrical system now and schedule an upgrade for that outdated chart plotter. Don’t get stuck with unexpected battery problems on the nicest days of the year.

Dempsey Marine is offering 10% off jobs booked before 4/4/26. Email (link in bio) or call us and mention this post!

02/19/2026

Call now to have Sensar Marine monitoring with bilge sentry installed. 508-360-1094

- 1000 All in! Basic installation (time and materials)
- just $10 per month for service.
- expert advice for how to proceed when problems arise.

Call Tom at 508-360-1094.
Or
go to the website and fill out a project information sheet.
.com

When you go out on one of charters, not only do you know their electrical system is impeccably maintained, but you’ll a...
09/09/2024

When you go out on one of charters, not only do you know their electrical system is impeccably maintained, but you’ll also have a blast out on the water! Thanks to Captain Sarah and the rest of the crew! 🎣 🛥️ 🌊 🌞

Come join the fun!
04/22/2024

Come join the fun!

What are you doing Saturday, May 4? We are looking for volunteers for a campus-wide clean up / project day starting at 9am. Come join the fun! Refreshments served, great views, good company, and plenty of tasks big and small. Reach out to Jennifer [email protected] to sign up!

01/08/2022

Hey everyone, please post about a good experience that you’ve had with our company And let your peers know that they can Count on us to deliver high-quality upgrades and repairs

05/18/2021

Come join the Dempsey Marine team as an assistant to our technicians. Job responsibilities may include:
-Shop cleaning/organization
-Boat Detailing
-Light carpentry

Hours are flexible! Punctuality is key, enthusiasm is appreciated. Come train in a field you may love. Pay is commensurate with duties and experience.

Need a dust off after a long winter? Call Dempsey Marine for your annual detailing package, or get on our regular rotati...
05/18/2021

Need a dust off after a long winter? Call Dempsey Marine for your annual detailing package, or get on our regular rotation for washing and waxing. Monthly and biweekly options available.
Our marine-grade products will extend the life of your boat’s surfaces, whether steel, vinyl, gelcoat or wood.
Get your shine on today: contact Dempsey Marine for scheduling.

10/10/2020

Searching for an experienced electrical technician for a full-service Marine Electronics company located in Harwich. Training is possible if you have experience with home electrical or auto electrical. MUST be punctual and reliable. This is a clean shop with a huge backlog of work due to an extra-busy boating season. Serious inquires only. Pay is higher than the field standard, and commensurate with experience. Pay is significantly higher if you can work independently. Please contact me for more information.

Address

715 Route 28
Harwich Port, MA
02646

Telephone

+15083601094

Website

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