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Larsen Marine

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0 Reviews
Location: Waukegan, IL 60085

Larsen Marine is a 16-acre boatyard and full-service marine facility, making it one of the THREE LARGEST ON THE WESTERN SHORE OF LAKE MICHIGAN. Today, Larsen Marine is one of the largest and best-equipped service facilities in the Great Lakes and fully prepared to work with skippers of both sail and powerboats. Larsen Marine provides secure off-season storage for 750 boats. We offer state-of-the-art heated mast storage, shrink wrapping, outdoor, indoor, and indoor heated storage as well as dry-stack storage for powerboats up to 26'. Our modern boating store and parts department are completely stocked and expertly staffed to fill the needs of both power and sailboat owners for every season.

Services:
  • Boat Canvas
  • Boat Bimini Top
  • Boat Cover
  • Boat Cleaning
  • Boat Waxing
  • Boat Dealer
  • Boat Sales

Featured Reviews for Fuel Polishing Pros in Sullivan

LOTO Marina
Eric K
August 6, 2021
“Very friendly group of people there. The fuel prices were lower than anyone else in the area. The docks are nice and they have bumpers out on the slips.“
MarineMax
John S
October 22, 2018
“We had our harris tritoon at marine max multiple times for service. They do a great job and stand behind there product“
Kelly's Port
Aviva A
October 7, 2018
“We have been Kelly's Port customers for 2 years now and love everything about them - their staff, their service and their gas $ and the #1 ambassador for their brand - owner Kyle Kelly. I would highly recommend Kelly's port for your boating needs.“

Fuel Polishing FAQs

What is fuel polishing?

Fuel polishing is the process of removing water, sludge, and contaminants from stored diesel or gasoline.

Why is fuel polishing important?

It restores fuel quality, prevents engine issues, and extends the life of your fuel system.

When should I get fuel polished?

Every 1–2 years, or when fuel sits unused for extended periods.

What’s the difference between fuel polishing and filtering?

Polishing removes contaminants, water, and microbial growth, not just particulates.

How much does fuel polishing cost?

Typically $300 to $800+ depending on tank size and contamination.

Can fuel polishing be done on-site?

Yes, many providers offer mobile services at marinas or docks.

Is fuel polishing only for diesel?

It's more common for diesel but also used for gasoline in long-term storage.

What are signs I need fuel polishing?

Engine hesitation, clogging filters, dark/cloudy fuel, or microbial contamination.