Superior Self Storage
“It is a secure indoor facility, so you can have ease of mind knowing your possessions are safely stored and won't be tampered by temperature fluctuations.”
Best Self-Storage Units in Thunder Bay, ON
13 companies listed · 11 in Thunder Bay · 1 open 24/7 · 3 open weekends · 10 rated 4.5+
Data verified October 21, 2026
We are still growing
There are too few quality options within 25 km, so we have expanded area of coverage to up to 100 km from you. This includes Thunder Bay and several other cities.
Neebing Mini Storage
“I had access to my stuff 24 hours a day which was very helpful.”
Canadian Mini Storage
“Amazing people, Mary-Ann in the office is awesome.”
AMJ Campbell
“I would use them every time I needed a good professional team of movers”
Thunder Bay Containers
“Alex and his team were amazing to deal with!”
U-Store Indoor
“Very accessible, very clean, great washroom inside, friendly service”
Listed for people needing storage in and around Thunder Bay, ON, these 13 companies rent storage space. Whether a site is heated, whether you can drive to the door, and how late the gate opens are as each one states them, so confirm the details that matter to you first.
Area overview: Thunder Bay, ON
11 of the 13 companies we list are based in Thunder Bay; the other 2 serve Thunder Bay from Rosslyn (12 km). 11 of the companies on this page have a rating, from 4.4 to 5.0 across 139 reviews; 1 has 50 or more reviews and 10 are rated 4.5 or higher. 1 is open around the clock; 3 are open on Saturdays and 1 on Sundays. Domain records put 7 websites of the companies on this page at ten or more years old; the oldest dates from 1997. 1 offers emergency call-outs; 1 gives free estimates; 1 is family- or locally-owned and 1 lists coupons or special offers. We have a website on file for all 13 of the companies on this page; 8 publish a contact page and 10 list a public email. We count these figures across the companies on this page; distances are straight-line, and hours and prices change, so confirm the details with the company before you book.
Are storage site offices open on Saturdays or Sundays?
Saturday or Sunday hours are given by 3 of the 13 facilities listed here. Weekend staffing is worth checking, since that is when the truck is booked and when you find out the room you reserved is smaller than the load sitting on the tailgate.
Dawson Road Mini Storage
Strongbox Sea Can Rental and Sales
“Owner is courteous and always answers any concerns I may have, great company.”
Space Place Mini Self Storage
“I'd wholeheartedly recommend this place to anyone looking for a storage locker.”
How We Store it
Webequie Logistics
Big Bucks Discount Storage
“By far the best looking and cleanest looking storage I have ever used.”
Enviroshred
“Great place to have your documents shredded.”
Why these companies made our list
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