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Business Details
50+ Years
experience
Your Trusted Boat Dealer & Service Center in Port Jefferson
Harborside Marine at The Boat Place has served Port Jefferson and surrounding communities since 1905, establishing itself as Long Island's oldest Mercury and Mercruiser dealer. Our five generations of family ownership transitioned to the Finn family, who continue our maritime tradition with comprehensive services including hauling, storage, dockage, and marine repairs. Our factory-trained technicians specialize in gas and diesel engines, offering warranty services and mobile repairs to minimize downtime.

We maintain a fully stocked Ship's Store and Parts Department with rapid delivery options, complemented by a dedicated bait and tackle shop. Our commitment to customer satisfaction drives our 'one call does it all' approach, ensuring hassle-free boating experiences through personalized service and technical expertise.
Services
Boat Sales Parts Department Hauling & Launching Storage Solutions Dockage Services Engine Repairs Service Contracts Winterization Pressure Washing Shrink Wrapping
Details
  • Year established: 1905
Highlights and features
  • Five generations of continuous family ownership since 1905
  • Factory-trained Mercury and Mercruiser engine specialists
  • Mobile service technicians for on-site repairs
  • 24-hour parts delivery for minimal downtime
  • Only commercial boat yard remaining on Port Jefferson waterfront
Associations and certifications
  • Mercury Marine Warranty Service Dealer
Services
Hauling & Launching
Our 25-ton Marine Travelift hauls power and sail boats up to 50' in length. Professional technicians ensure safe handling during launching and retrieval operations. Available seasonal storage options complement our hauling services.
Winter Storage
Secure dry storage facilities protect vessels during off-season months. Climate-controlled options available with competitive pricing starting at $55.99/month. Special rates for early reservations.
Engine Repairs
Factory-certified technicians specialize in Mercury and Mercruiser engines. Mobile service available for on-site diagnostics and repairs. Comprehensive maintenance packages extend engine longevity.
Parts Department
Extensive inventory of OEM and aftermarket marine parts. Online catalog with 24-hour delivery for most non-stocking items. Expert staff assists with part identification and compatibility checks.
Dockage Services
Newly renovated marina offers wet slips from $225/month. Dry land valet storage available for trailerable boats up to 26'. Hourly dockage at $2.25/hour for transient visitors.
Questions
What services does Harborside Marine offer?
We provide boat sales, storage solutions, engine repairs, parts supply, dockage, hauling/launching, and winterization services.
Are you a certified Mercury service center?
Yes, we are a factory-authorized Mercury and Mercruiser warranty service provider with certified technicians.
Do you offer mobile repair services?
Our mobile service technicians can perform repairs at your dock or mooring location.
What are your seasonal operating hours?
April-September: Tue-Sat 8am-5pm, Sun-Mon bait/tackle only 8am-3pm.
Can I order parts online?
Yes, our online catalog allows 24/7 ordering with in-store pickup or direct shipping options.
Reviews (3)
Jonathan Rodriguez
Jan 09, 2020 Report
It's a great place and very body that works there is very friendly... Recommend it to anyone that needs there boats fix or detailed.
Loft Law
Nov 27, 2019 Report
If the owners start giving 5 stars....that tells you something aboutthe mentality. "clever"
You'll be surprised at their level of competence and their accounting skills.
Sailing On Grace
Jul 13, 2019 Report
Great place to lay up for winter! All services! Next day parts! Awesome place! Great family owned business! Thanks Dan, Pete, Gary and Jason!!! Fair winds!!