The Best Boat Covers for Long-Term Storage

Josh Summerhays • December 15, 2025

When it comes to protecting your boat during long-term storage, a quality cover is one of the most important investments you can make. Whether you're storing your boat outdoors or under a canopy, the right cover can help prevent damage from UV rays, moisture, debris, and pests.


At Simply Storage, we know how important it is to protect what matters most. Here's what to look for in a boat cover, plus a breakdown of some of the best options for long-term storage.


What to Look for in a Long-Term Boat Cover


Not all boat covers are created equal. When selecting one for storage, keep these key features in mind:

  • Material Durability: Look for heavy-duty, marine-grade polyester or canvas. These materials resist tearing, UV rays, and mildew.
  • Water Resistance: A good storage cover should be water-resistant or waterproof to protect against rain and condensation.
  • UV Protection: UV rays can cause fading and cracking. Choose a cover with built-in UV inhibitors.
  • Proper Fit: A snug, tailored fit prevents sagging and keeps out pests, dirt, and moisture.
  • Ventilation: Look for covers with built-in vents to reduce mold, mildew, and condensation buildup. Proper ventilation matters because it helps reduce moisture buildup, which is one of the main causes of mold and mildew during storage.
  • Straps and Reinforcements: Covers with reinforced corners and adjustable straps will stay secure during wind and weather.


Top Boat Covers for Long-Term Storage


Here are some trusted brands and options to consider:


1. Classic Accessories StormPro


  • Heavy-duty polyester fabric
  • UV and mildew resistant
  • Includes support pole to prevent water pooling
  • Great for trailering and storage


2. iCOVER Trailerable Boat Cover


  • Durable 600D marine-grade canvas
  • Double-stitched seams and reinforced stress points
  • Adjustable straps and quick-release buckles
  • Water and UV-resistant


3. MSC Heavy Duty Waterproof Boat Cover


  • Excellent value for long-term storage
  • Multiple size options for a snug fit
  • Resistant to sun, rain, and snow
  • Comes with a storage bag and straps


4. Vortex Heavy Duty Boat Cover


  • 1200D polyester fabric, extra thick and durable
  • UV, mold, and mildew resistant
  • Suitable for outdoor storage year-round


5. Seal Skin Elite Boat Covers


  • Designed for long-term storage
  • Waterproof and breathable
  • Custom fit available for different boat models


Protect Your Boat with Simply Storage


Storing your boat in the right environment is just as important as using a high-quality cover. Choosing the right storage location goes hand in hand with using a quality cover, especially when storing your boat locally in Idaho. At Simply Storage, we offer secure, accessible boat storage options to give you peace of mind during the off-season.


With features like gated access, wide drive aisles, and flexible month-to-month rentals, it’s easy to store your boat with confidence.


Ready to Store Your Boat?


Keep your boat safe and ready for the next season. Choose a reliable cover, and trust Simply Storage for secure long-term storage. Contact us today or reserve your spot online.

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