Williamstown Mini Storage Serving Cornwall, ON & Surrounding Areas

Self, Boat and RV Storage Facility

Easiest Way To Store Stuff!

Tenant Insurance Included - Your Stored Belongings Are Covered!

Rent Storage Online or Contact Us.

Rent Storage Online

Map and Directions to Williamstown Mini Storage

Map to Williamstown Mini Storage

Our Self, Boat and RV Storage Facility

Williamstown Mini Storage takes pride in offering a simple and hassle-free self, boat and RV storage experience for all of our customers in Williamstown, ON, Cornwall, ON and Surround Areas. We make sure our storage units are clean, secure, and ready to rent. We also focus on offering a wide variety of storage unit sizes and types to make sure we can handle any self, boat and RV storage need that you may have. Williamstown Mini Storage also offers online rentals and online bill pay 24/7 to make your experience quick and easy. Feel free to look at our available storage units and contact us if you have any questions or simply rent your unit right on the website.

See Available Units

Our Storage Pricing Guide - Includes $5,000 Insurance Coverage

Tenant Insurance - Your Stored Belongings Are Covered!

Williamstown Mini Storage has implemented insurance coverage on your stored belongings for up to $5,000 through Cowan Insurance StorageShield Program. This insurance is offered by a third-party underwritten by Northbridge General Insurance Company and provides protection with respect to any loss and/or damage to the contents stored in your unit. Customer units and personal property are covered for fire, water, burglary, wind and more. Coverage is included and free when you rent a storage unit at Williamstown Mini Storage.

All The Convenience And Security You Need

24-hour Access
Digital Video Surveillance
Online Bill Pay
Drive-up Access
Ultimate Storage Experience
Onsite Security Cameras
Clean, Safe, & Secure
Variety of Unit Sizes Available
Great Customer Service

Our Promise To You


We take the security of our storage facility seriously, and our SSL secure website protects your personal information. Your property is our number one priority. You can rest assured that your property is protected and secure at Williamstown Mini Storage!

Customer Service

We are committed to providing you a clean, secure & ready-to-rent self, climate controlled, boat and RV storage unit. Our friendly staff provides you with a great storage rental experience from start to finish.


Manage your storage unit from the convenience of your own home, 24 hours a day and 7 days a week. Our website makes it quick and easy for you to manage your self, boat and RV storage unit online. Simply log in to your account and you have access to your unit on our website!

Williamstown Mini Storage Blog