How to Prep Your Boat or RV for Long-Term Storage Near Lake Ontario

Alex Parr • July 23, 2025

A Guide to Prepping Your Vehicle for Storage

When boating season ends or your summer road trips wind down, it’s time to think about proper storage. Lake Ontario brings four distinct seasons, and winter in Pulaski can be especially tough on your boat or RV if it’s not stored correctly.


At Ontario Mini Storage, we provide secure, oversized outdoor parking spaces built for long-term vehicle storage. But preparing your vehicle the right way before parking it is what really protects your investment. Whether you’re storing a fishing boat, a pop-up camper, or a full-size trailer, this guide walks you through everything you need to do.


Step 1: Clean Inside and Out

Start with a full wash of your boat or RV to remove salt, dirt, algae, or bugs. Waxing the exterior can add an extra layer of protection. Inside, remove all food, trash, and anything that could attract pests.


Pro tip: Leave the fridge and cabinets open and place an open box of baking soda inside to absorb lingering odors.


Step 2: Drain All Fluids That Can Freeze

For boats:

  • Drain the engine, bilge, and water tanks.
  • Flush the engine with fresh water and add antifreeze where needed.

For RVs:

  • Drain and flush the fresh water system.
  • Use RV antifreeze in plumbing lines and tanks to prevent freezing and cracks.
  • Pro tip: Always use non-toxic RV antifreeze, especially in potable water lines.


Step 3: Disconnect and Remove Batteries

Cold temperatures drain batteries fast. Disconnect them from the terminals and store them in a cool, dry place—ideally indoors. Keep them on a trickle charger to extend life and performance.


Step 4: Protect Tires and Seals

Tires can lose pressure and develop flat spots during long-term storage. Inflate them to the recommended PSI.

Use tire covers to shield them from UV damage. If storing for more than a few months, consider moving the vehicle a few feet every so often to avoid flat-spotting. Check and lubricate door seals, window gaskets, and slide-outs to prevent cracking and sticking.


Step 5: Control Moisture Inside

Pulaski winters bring moisture, and that means mold risk if you're not careful.

  • Place moisture absorbers or desiccant packs throughout the cabin or cabin areas.
  • Open cabinets and closets to allow airflow.
  • Crack a vent slightly to allow air circulation without letting in snow or pests.


Step 6: Cover It Up Right

Use a breathable, weather-resistant cover designed for your type of vehicle. Avoid cheap plastic tarps—they trap moisture and can damage the finish.

  • For boats: Consider shrink wrapping if you're storing it for the whole winter.
  • For RVs: Use a fitted cover that allows ventilation and is UV-resistant.


Step 7: Choose a Safe Storage Location

Ontario Mini Storage offers 30x12x50 outdoor parking spots with secure access and plenty of room to maneuver. Our facility is fenced, well-lit, and monitored, so you can store your RV or boat with peace of mind all winter long. Remember:

  • Drain all water systems to prevent freezing and damage.
  • Clean and dry your boat or RV thoroughly before storing.
  • Disconnect batteries and store them in a dry, cool place.
  • Cover your vehicle with a breathable, weather-resistant cover.
  • Use moisture absorbers inside to reduce mold and mildew.
  • Ontario Mini Storage offers 30x12x50 outdoor parking spaces for secure RV and boat storage in Pulaski.


If you're wrapping up fishing season or the last campout of the year, our outdoor parking makes long-term storage simple and affordable.


Ready to Reserve Your Spot?


Winter comes fast in Pulaski. Protect your boat, RV, or trailer now by storing it properly and parking it somewhere secure.


Call us today at (315) 298-3295 or rent a parking space online to claim your spot before they're gone. Ontario Mini Storage is your local, reliable storage solution near Lake Ontario.

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