Marine Services

Spring Summerization

Coming out of winter storage? We check everything so your season starts without surprises, starting at $100.

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What We Offer

Get Back on the Water with Confidence

Had your boat winterized and not sure if it's ready to hit the water? Let us check it over. Sweetwater Performance Center's spring summerization service is designed specifically for boats coming out of winter storage or winterization, and at just $100 it is one of the smartest investments a Midwest boater can make before the first launch of the season.

Winterization puts your boat into a protected dormant state. Summerization reverses that process and confirms that every critical system is ready for safe, reliable operation on the water. Our certified technicians go through the essential systems, verify fluid levels, test the battery, and give you the green light before you go. We serve boaters from across Wisconsin, Illinois, Minnesota, Michigan, and beyond who want confidence before their first day on the water.

For just $100, you get a professional sign-off on your boat from a certified marine technician. It is a small investment that can prevent a costly mid-lake breakdown and keep your entire season on track from day one. Schedule early in spring — this service books up fast as the season opens across the Midwest.

Post-Winterization Check
We reverse the winterization process and verify all systems are launch-ready.
Fluid Top-Off
Engine oil, gear lube, coolant, and other fluids checked and topped off as needed.
Battery and Electrical Check
Battery tested and charged, bilge pump and electrical systems verified.
Ready-to-Launch Sign-Off
Certified tech confirms your boat is safe and ready before you hit the water.
Starting at Just $100
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Why Choose Us

The Sweetwater Advantage

Great Value
A $100 inspection can save you from a costly first-weekend breakdown.
Certified Technicians
Factory-trained pros who know what to look for coming out of winter storage.
Quick Turnaround
We get you back on the water fast without sacrificing thoroughness.
Season-Opening Confidence
Start your boating season knowing every system has been reviewed by an expert.
Get Started

Schedule Your Summerization

Fill out the form to schedule your spring service. Starting at $100, it is the easiest way to open your season with confidence. We welcome boaters from throughout Wisconsin and across the Midwest.