Looking for storage units in St. Catharines, Ontario? Browse and compare 16 self-storage facilities side by side. 5x5 units start at $52/month. 5 of them publish a monthly rate and unit sizes, so you can compare those without ringing round.

St. Catharines storage options range from small 5x5 lockers to large 10x30 drive-up units, on flexible month-to-month terms. 5 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. 1 provide 24-hour access. 5 have vehicle, RV, or boat storage. Compare amenities and prices below to find the right unit in St. Catharines.

St. Catharines storage prices by unit size

Averages from real units listed across St. Catharines, ON facilities, in Canadian dollars. 31% of them mention climate-controlled units on their own website.

Size	Typical use	Median / mo	Average	Range	Units
5×5	Closet-sized	CA$58	CA$64	CA$52 – CA$104	9
5×10	Studio / small bedroom	CA$110	CA$100	CA$83 – CA$120	4thin
10×10	1-bedroom apartment	CA$177	CA$173	CA$137 – CA$222	6
10×15	Large 1-bed / small 2-bed	CA$209	CA$217	CA$169 – CA$276	6
10×20	2–3 bedroom home	CA$252	CA$282	CA$196 – CA$384	7
10×30	4–5 bedroom home	CA$532	CA$432	CA$332 – CA$532	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

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Storage bins

Better than cardboard for long-term

$35 Shop →

Shoulder Dolly

#1 best seller in moving straps

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Self Storage in St. Catharines — Common Questions

How much does self storage cost in St. Catharines, ON?

The cheapest 5x5 unit published in St. Catharines is $52/month. Prices rise with unit size, and operators charge more for a climate-controlled unit than a standard one. 5 of the 16 facilities we list in St. Catharines publish a rate you can compare, and the rest we ring for you.

How many self storage facilities are in St. Catharines?

There are 16 self storage facilities in St. Catharines, Ontario listed on StorageAtlas, including national chains and local operators. 5 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 St. Catharines?

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 St. Catharines?

Yes — 5 of the 16 storage facilities in St. Catharines 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.