This section lists licensed marine dealerships across the United States that accept used boats as trade-ins toward new or pre-owned vessel purchases. These facilities conduct on-site physical appraisals, engine diagnostics, and title verification to establish fair market trade values. Preparing your vessel's maintenance logs and title paperwork prior to contacting a dealer helps accelerate the appraisal process.
Minocqua 2
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Gage Marine - Minocqua
8019 US Highway 51 S, Minocqua, WI 54548-9145
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Ryden Marine and Minocqua Yamaha
9724 WI-70, Minocqua, WI 54548-9753
Mon-Fri 8:30-5, Sat 9-1
Delafield 1
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Gordy's Boat Sales
1766 Milwaukee St, Delafield, WI 53018-2017
Mon 8am-5pm, Tue 8am-5pm, Wed 8am-5pm, Thu 8am-5pm, Fri 8am-5pm, Sat 8am-5pm, Sun 8am-5pm
Delavan 1
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Gage Marine
5167 State Road 50, Delavan, WI 53115-4201
Madison 1
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Redline Watersports
4805 Voges Rd, Madison, WI 53718-6955
Mon 12-5, Tue-Fri 9-5, Sat 9-3
Montello 1
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Johnson's Boats & Motors
524 Underwood Ave, Montello, WI 53949-9250
Mon-Fri 8-5, Sat 8-2
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Gordy's Boat Sales, Lake Country
20 S Main St, Oconomowoc, WI 53066-5255
Mon 8am-5pm, Tue 8am-5pm, Wed 8am-5pm, Thu 8am-5pm, Fri 8am-5pm, Sat 8am-5pm, Sun 8am-5pm
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The Boat House Three Lakes
6727 US-45, Three Lakes, WI 54562-9377
Walworth 1
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Munson Ski & Marine
W5749 County Road B, Walworth, WI 53184-5966
Tue-Fri 9-5 Sat 9-4 Sun 11-4 Closed Mon
Also in Wisconsin
- Boat Dealers with Service & Repair84
- Used Boat Dealers74
- New Boat Dealers68
- Boat Dealers with On-Site Storage54
- Boat Dealers with a Parts Department44
- Boat Dealers Offering Financing40
- Boat Winterization and Shrink Wrap38
- New and Used Fishing Boats for Sale35
- Pontoon Boat Dealers32
- Boats for Sale and Marine Inventory22
- Boat Dealers Offering Marine Loans and Financing16
- Center Console Boats for Sale and Service8
- Boat Financing and Marine Loan Options8
Good to know
How do marine dealers calculate a boat's trade-in valuation?
Dealers base trade estimates on J.D. Power (NADA Guides) marine valuation data, recent regional sales comps, hull condition, and total engine operational hours. Trade-in values typically run 10% to 20% below retail market listings to factor in dealer reconditioning and resale costs. Professional mechanical inspections take 45 to 90 minutes on average.
What paperwork is required to trade in a boat and trailer?
You must present the original vessel title, current state boat registration, separate trailer title or registration, and valid government ID for all listed owners. Complete maintenance records, transferable warranty paperwork, and spare keys can add $300 to $1,500 to the overall valuation.
Can I trade in a boat that still has an unpaid loan balance?
Yes, marine dealers regularly handle lien payoffs with lenders on your behalf. If the boat's appraised value exceeds your remaining loan balance, the positive equity applies directly toward your down payment; negative equity must be paid out-of-pocket or refinanced into the new vessel contract.
How to register a boat?
Boat registration is handled by state natural resources or motor vehicle departments upon submitting proof of ownership, a bill of sale, and required registration fees. After processing, you will receive official registration numbers and validation decals to display on your hull. Marine agencies across Wisconsin are available via BoatDealerAtlas with 9 local resources to guide your purchase.
How to get a boating license?
Obtaining a boating license generally requires completing an approved safe boating course online or in person, followed by passing a knowledge exam. Upon passing, state authorities issue a boater safety education card valid for life. Explore 9 marine services in Wisconsin on BoatDealerAtlas for local safety course recommendations.