Looking for storage units in Thunder Bay, Ontario? Browse and compare 22 self-storage facilities side by side. 5x10 units start at $90/month. 4 of them publish a monthly rate and unit sizes, so you can compare those without ringing round.

Thunder Bay storage options range from small 5x5 lockers to large 10x30 drive-up units, on flexible month-to-month terms. 4 facilities offer climate-controlled storage to protect furniture, electronics, and documents from heat and humidity. 4 offer drive-up access for loading straight from your vehicle. 6 provide 24-hour access. 3 have vehicle, RV, or boat storage. Compare amenities and prices below to find the right unit in Thunder Bay.

Thunder Bay storage prices by unit size

Averages from real units listed across Thunder Bay, ON facilities, in Canadian dollars. 18% of them mention climate-controlled units on their own website.

Size	Typical use	Median / mo	Average	Range	Units
5×5	Closet-sized	CA$232	CA$216	CA$200 – CA$232	2thin
5×10	Studio / small bedroom	CA$232	CA$187	CA$90 – CA$240	3thin
5×15	Studio / 1-bedroom	CA$272	CA$258	CA$244 – CA$272	2thin
10×10	1-bedroom apartment	CA$272	CA$225	CA$120 – CA$284	3thin
10×15	Large 1-bed / small 2-bed	CA$384	CA$350	CA$316 – CA$384	2thin
10×20	2–3 bedroom home	CA$444	CA$414	CA$384 – CA$444	2thin

Not sure which size you need? See the unit size guide or compare with the Ontario pricing overview.

Things you'll need

Disc lock

Required by most facilities

$12 Shop →

Storage bins

Better than cardboard for long-term

$35 Shop →

Shoulder Dolly

#1 best seller in moving straps

$30 Shop →

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Self Storage in Thunder Bay — Common Questions

How much does self storage cost in Thunder Bay, ON?

The cheapest 5x10 unit published in Thunder Bay is $90/month. Prices rise with unit size, and operators charge more for a climate-controlled unit than a standard one. 4 of the 22 facilities we list in Thunder Bay publish a rate you can compare, and the rest we ring for you.

How many self storage facilities are in Thunder Bay?

There are 22 self storage facilities in Thunder Bay, Ontario listed on StorageAtlas, including national chains and local operators. 4 of them publish a monthly rate; every listing carries the address, amenities and contact details we hold.

What size storage unit do I need in Thunder Bay?

A 5×5 unit (25 sq ft) holds a few boxes or seasonal items. A 10×10 (100 sq ft) fits a 1-bedroom apartment. A 10×20 (200 sq ft) suits a full 2–3 bedroom home. Most people over-estimate — stacking boxes and taking furniture apart usually lets a smaller unit do the job. Go a size up only if you have large items that cannot be dismantled, like an appliance or a sofa bed.

Are there climate-controlled storage units in Thunder Bay?

Yes — 4 of the 22 storage facilities in Thunder Bay offer climate-controlled units. Climate control keeps temperatures stable year-round and is recommended for wood furniture, electronics, documents, artwork, and anything sensitive to heat or humidity.