Winter cost guide

Boat winterizing cost in the Northeast: prices from 16 businesses

$210 to $425 per engine

Winterizing, published prices, lowest to highest (not an average)

Published prices in the Northeast, lowest to highest (not an average): winterizing $210 to $425 per engine at 5 businesses and $95 to $1,395 flat price per job at 12 businesses.

Published prices

Winterizing, per engine

$210 to $425 · 5 yards

Winterizing, per engine
Source
Outboard Engine Winterization WOBBrick Township, NJ$210.00 per motor2026Source for Green Cove Marinachecked
$269 per Gas/Diesel engineStony Point, NY$214 per jet power engine2026Source for Patsy's Bay Marinachecked
premium non tox antifreeze, Grease all fittings, Coat engine and drive with anticorrosive Brookhaven, NY$245.00 per engine (plus parts)2026Source for South Shore Boatyardchecked
Winterization (+Materials)Stony Point, NY$269 per gas/diesel engine2026Source for Patsy's Bay Marinachecked
4 CYL, 6 CYL, 8 CYL & 10 CYLWoodbine, NJ$295 per motor2026Source for Holtz Boat Works, Inc.checked
All I/O and Inboard engines WINBrick Township, NJ$305.00 per motor2026Source for Green Cove Marinachecked
non tox antifreeze, Coat engine and accessories with anticorrosive sprayBrookhaven, NY$340.00 per engine (plus parts)2026Source for South Shore Boatyardchecked
4- and 6-cylinderBarnegat, NJ$375.00 per engine2026Source for J3 Marinechecked
non tox antifreeze, Coat engine and accessories with anticorrosive spray. $340.00 Plus ParBrookhaven, NY$400.00 per engine (plus parts)2026Source for South Shore Boatyardchecked
8-cylinderBarnegat, NJ$425.00 per engine2026Source for J3 Marinechecked

16 of 64 CT, NY, MA, RI and NJ listings where winterizing is confirmed publish prices we could confirm.

Checked . Prices as published on each business site. Call to confirm.

Winterizing, flat price per job

$95 to $1,395 · 12 yards

Winterizing, flat price per job
Source
Inboard/Outboard (I/O's)Woodbine, NJ$95 flat (as listed)2026Source for Holtz Boat Works, Inc.checked
Outboard, 2 to 25 hpPlymouth, MA$200 flat (as listed)2026Source for Atlantic Boat Repairchecked
1-4 CylinderWestbrook, CT$200.00 flat (as listed)2026Source for Harry's Marine Repairchecked
Outboard up to 100 hpFort Ann, NY$200 flat (as listed)2026Source for Pilot Knob Marinachecked
Winterize Jet Engine / PWC | Jet Engine / PWCDelran, NJ$216.00 flat (as listed)2026/2027Source for Dredge Harbor Marinachecked
OUTBOARD 16HP TO 99HP, WINTERIZE + CHANGE GEAR LUBEBolton, NY$220 flat (as listed)2026/2027Source for Yankee Boating Centerchecked
Basic WinterizationPlattsburgh, NY$225 flat (as listed)2026Source for Plattsburgh Boat Basinchecked
• WinterizeOyster Bay, NY$240 flat (as listed)2026/2027Source for Oyster Bay Marine Center Marinachecked
6 Cylinder GasWestbrook, CT$250.00 flat (as listed)2026Source for Harry's Marine Repairchecked
Outboard 115 hp+Fort Ann, NY$250 flat (as listed)2026Source for Pilot Knob Marinachecked
OUTBOARD 100HP AND UP, WINTERIZE + CHANGE GEAR LUBEBolton, NY$260 flat (as listed)2026/2027Source for Yankee Boating Centerchecked
Winterize WaveRunner / Jet SkiWoodbine, NJ$275 flat (as listed)2026Source for Holtz Boat Works, Inc.checked
Winterization SpecialPlattsburgh, NY$275 flat (as listed)2026Source for Plattsburgh Boat Basinchecked
Winterize Gas Engine (Inboard/Stern Drive) | Gas EngineDelran, NJ$280.00 flat (as listed)2026/2027Source for Dredge Harbor Marinachecked
Winterize Diesel Engine | Diesel EngineDelran, NJ$290.00 flat (as listed)2026/2027Source for Dredge Harbor Marinachecked
Winterize Inboard …………..……………………………………...…….… 4 Cylinders or LessOyster Bay, NY$295 flat (as listed)2026/2027Source for Oyster Bay Marine Center Marinachecked
8 Cylinder GasWestbrook, CT$300.00 flat (as listed)2026Source for Harry's Marine Repairchecked
OB1CYLW 1 Cylinder 2.5 to 5hpNorwalk, CT$300.00 flat (as listed)2027Source for Rex Marine Centerchecked
4-cyl, 6-cyl, V8 to 5.7L · 3.0L, 4.3L, 305, 350, 6.2LLansing, NY$305 flat (as listed)2026/2027Source for Lansing Harborchecked
Outboard, 30 to 60 hpPlymouth, MA$325 flat (as listed)2026Source for Atlantic Boat Repairchecked
Winterize Inboard …………..……………………………………...…….… 4 Cylinders or Less, $295 ………….……...6 or MoOyster Bay, NY$335 flat (as listed)2026/2027Source for Oyster Bay Marine Center Marinachecked
InboardFort Ann, NY$350 flat (as listed)2026Source for Pilot Knob Marinachecked
IN3 Decommission & winterize inboard engine (materials additional)Norwalk, CT$360.00 flat (as listed)2027Source for Rex Marine Centerchecked
Outboards to 50 hpTorrington, CT$375 flat (as listed)2026/2027Source for Ace Marine LLCchecked
MERCRUISER STERNDRIVE Alpha, WINTERIZE + CHANGE GEAR LUBEBolton, NY$375 flat (as listed)2026/2027Source for Yankee Boating Centerchecked
IN3EC Emission controlled engines with catalytic converter (most engines since 2012)Norwalk, CT$395.00 flat (as listed)2027Source for Rex Marine Centerchecked
OB3CYLW 3 Cylinder 40 to 90hpNorwalk, CT$400.00 flat (as listed)2027Source for Rex Marine Centerchecked
MERCRUISER STERNDRIVE BRAVO, WINTERIZE + CHANGE GEAR LUBEBolton, NY$430 flat (as listed)2026/2027Source for Yankee Boating Centerchecked
OB4CYLW 4 CylinderNorwalk, CT$490.00 flat (as listed)2027Source for Rex Marine Centerchecked
Winterize Diesel EngineWoodbine, NJ$495 each2026Source for Holtz Boat Works, Inc.checked
Inboard or I/OTorrington, CT$525 flat (as listed)2026/2027Source for Ace Marine LLCchecked
Winterization Complete PackageSaratoga Springs, NY$1,395 flat (as listed)2026/2027Source for Saratoga Boat Carechecked

Winterizing (add-ons), flat price per job (add-on items)

$65 to $365 · 6 yards

Winterizing (add-ons), flat price per job (add-on items)
Source
Winterize headBarnegat, NJ$65.00 flat rate2026Source for J3 Marinechecked
Winterize Air Conditioner(s)Woodbine, NJ$75 flat (as listed)2026Source for Holtz Boat Works, Inc.checked
Winterize air conditioningBarnegat, NJ$90.00 flat rate2026Source for J3 Marinechecked
Winterize fresh-water system, cold onlyBarnegat, NJ$95.00 flat rate2026Source for J3 Marinechecked
Winterize generatorBarnegat, NJ$100.00 flat rate2026Source for J3 Marinechecked
Winterize Ballast Tank/s and Pump/s | Ski / Surf Boats OnlyDelran, NJ$104.00 flat (as listed)2026/2027Source for Dredge Harbor Marinachecked
Winterize Cold Water System (Systems without hot water) | Standard SystemDelran, NJ$105.00 flat (as listed)2026/2027Source for Dredge Harbor Marinachecked
Winterize Air Conditioner, First Unit | Primary A/CDelran, NJ$114.00 flat (as listed)2026/2027Source for Dredge Harbor Marinachecked
WINTERIZE COLD WATER SYSTEM (DOES NOT INC SUMMERIZATION) **Bolton, NY$120 flat (as listed)2026/2027Source for Yankee Boating Centerchecked
Winterize Auxiliary Generator | Aux UnitDelran, NJ$156.00 flat (as listed)2026/2027Source for Dredge Harbor Marinachecked
Winterize Diesel Generator (Unit Must Start)Woodbine, NJ$175 flat (as listed)2026Source for Holtz Boat Works, Inc.checked
Winterize hot and cold water systemBarnegat, NJ$190.00 flat rate2026Source for J3 Marinechecked
WI17 Winterize Generator (if applicable)Norwalk, CT$195.00 flat (as listed)2027Source for Rex Marine Centerchecked
WINTERIZE AIR CONDITIONER (DOES NOT INC SUMMERIZATION) **Bolton, NY$195 flat (as listed)2026/2027Source for Yankee Boating Centerchecked
WI17 Winterize GeneratorNorwalk, CT$200.00 flat (as listed)2027Source for Rex Marine Centerchecked
Winterize GeneratorOyster Bay, NY$225 flat (as listed)2026/2027Source for Oyster Bay Marine Center Marinachecked
Fresh Water-Cooled Gas Inboard EngineWoodbine, NJ$265 each2026Source for Holtz Boat Works, Inc.checked
Winterize Gas Generator (Unit Must Start)Woodbine, NJ$295 flat (as listed)2026Source for Holtz Boat Works, Inc.checked
WINTERIZE COLD & HOT WATER SYSTEM & head (DOES NOT INC SUMMERIZATION) **Bolton, NY$345 flat (as listed)2026/2027Source for Yankee Boating Centerchecked
NAUTIQUE, WINTERIZE ENGINE, BALLAST & HEATERBolton, NY$365 flat (as listed)2026/2027Source for Yankee Boating Centerchecked

Listings with prices on record

What to ask before you compare

  • Ask if the price is per engine; twin-engine boats usually pay per engine.
  • Ask whether fuel stabilizer, antifreeze, oil change and filters are included or billed as parts.
  • Ask about extra charges for generators, heads, freshwater systems, showers, ballast tanks and heaters.
  • Ask if lower-unit (gear oil) service is included for outboards and stern drives.
  • Ask whether the price changes for inboard, stern drive (I/O), outboard, jet or diesel.

Common questions

How much does it cost to winterize a boat?

Published 2026/27 prices from 5 yards run $210 to $425 per engine. Other published units: $95 to $1,395 flat price per job (12 yards); $65 to $365 flat price per job (add-on items) (6 yards). Ask what is included before you compare.

Is winterizing priced per engine?

Some yards price per engine and others list a flat price by engine type. Per-engine prices published: $210 to $425 per engine (5 yards).

How much does it cost to winterize an outboard?

Published prices that name this engine type: $210 per engine (1 yard); $95 to $375 flat price per job (5 yards).

How much does it cost to winterize an inboard or stern drive?

Published prices that name this engine type: $305 per engine (1 yard); $95 to $525 flat price per job (7 yards); $265 flat price per job (add-on items) (1 yard).

What does boat winterizing include?

It varies by yard. Common items listed on price sheets are antifreeze for the engine and water systems, fuel stabilizer, and fogging. Oil changes, filters and lower-unit service are often extra. Check the yard's list.

Winter services by state

More winter guides

  • Prices are as published on each business site; units are never mixed within a table.
  • Ranges are the lowest and highest published figures, not averages.
  • Excluded: 23 withdrawn prices-2 rows, stale or undated rows, and Newport Marina (only 2025 rates shown).