Find Your Perfect Self-Storage Unit in Mercer Island

Security Features. Clean, Well-Maintained Facilities. Award-Winning Customer Service.

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Facility is clean and secured. Moving truck was free! Very convenient location to SPU.

—Rucci A.

See All Customer Reviews
People's Choice Stevie Awards 2017 Winner ISS Best of Business 2017 One of the most trusted names in self storage.
People's Choice Stevie Awards 2017 Winner ISS Best of Business 2017 One of the most trusted names in self storage.

Rent a Storage Unit in mercer island, WA Today to Lock In Your Deal

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Facility is clean and secured. Moving truck was free! Very convenient location to SPU.

—Rucci A.

See All Customer Reviews

Rent a Storage Unit in mercer island, WA Today to Lock In Your Deal

Reserve Online Today To Lock In Deal

Up to 15% Off & First Month Free †

Not sure what size you need? View our Size Guide. Don't worry; you can change sizes later.

9.2 miles

Small Storage

Prices from

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Medium Storage

Prices from

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Large Storage

Prices from

--

Vehicle Storage

Prices from

--

Available Storage Unit Sizes:

Small Medium Large Parking

As low as

$76

Units available for reservation; no credit card information required.

5'x5'* Storage Unit

Indoor Storage Unit

Heated / Air Cooled

$89.00 $75.65

15% Off
& First Month Free

5'x6'* Storage Unit

Indoor Storage Unit

Heated / Air Cooled

$95.00 $80.75

15% Off
& First Month Free

5'x10'* Storage Unit

Indoor Storage Unit

Heated / Air Cooled

$111.00 $94.35

15% Off
& First Month Free

5.5'x10'* Storage Unit

Indoor Storage Unit

Heated / Air Cooled

$131.00 $117.90

10% Off
& First Month Free

7.5'x9'* Storage Unit

Indoor Storage Unit

Heated / Air Cooled

$177.00 $150.45

15% Off
& First Month Free

Units available for reservation; no credit card information required.

7.5'x10'* Storage Unit

Indoor Storage Unit

Heated / Air Cooled

$181.00 $162.90

10% Off

10'x10'* Storage Unit

Indoor Storage Unit

Heated / Air Cooled

$219.00 $186.15

15% Off
& First Month Free

10'x11'* Storage Unit

Indoor Storage Unit

Heated / Air Cooled

$226.00 $192.10

15% Off
& First Month Free

7.5'x15'* Storage Unit

Indoor Storage Unit

Heated / Air Cooled

$230.00 $195.50

15% Off
& First Month Free

10'x12.5'* Storage Unit

Indoor Storage Unit

Heated / Air Cooled

$244.00 $219.60

10% Off
& Half Off First Month

Units available for reservation; no credit card information required.

10'x17.5'* Storage Unit

Indoor Storage Unit

Heated / Air Cooled

$309.00 $278.10

10% Off
& First Month Free


We'll work to find space for you. Let us call you to help you find your solution.
Find Space for Me 

9.65 miles

Small Storage

Prices from

--

Medium Storage

Prices from

--

Large Storage

Prices from

--

Vehicle Storage

Prices from

--

Available Storage Unit Sizes:

Small Medium Large Parking

As low as

$81

Units available for reservation; no credit card information required.

5'x5'* Storage Unit

Indoor Storage Unit

Heated / Air Cooled

$90.00 $81.00

10% Off
& Half Off First Month

5'x7.5'* Storage Unit

Indoor Storage Unit

Heated / Air Cooled

$130.00 $117.00

10% Off
& Half Off First Month

5'x10'* Storage Unit

Indoor Storage Unit

Heated / Air Cooled

$157.00 $141.30

10% Off
& First Month Free

7.5'x10'* Storage Unit

Indoor Storage Unit

Heated / Air Cooled

$186.00 $158.10

15% Off
& First Month Free

5'x12.5'* Storage Unit

Indoor Storage Unit

Heated / Air Cooled

$176.00 $158.40

10% Off
& Half Off First Month

Units available for reservation; no credit card information required.

7.5'x12.5'* Storage Unit

Indoor Storage Unit

Heated / Air Cooled

$205.00 $184.50

10% Off
& Half Off First Month

10'x10'* Storage Unit

Indoor Storage Unit

Heated / Air Cooled

$215.00 $193.50

10% Off
& First Month Free

7.5'x15'* Storage Unit

Indoor Storage Unit

Heated / Air Cooled

$231.00 $196.35

15% Off
& First Month Free

7.5'x11'* Storage Unit

Indoor Storage Unit

Heated / Air Cooled

$242.00 $205.70

15% Off
& First Month Free

10'x12.5'* Storage Unit

Indoor Storage Unit

Heated / Air Cooled

$242.00 $217.80

10% Off
& First Month Free

10'x13'* Storage Unit

Indoor Storage Unit

Heated / Air Cooled

$269.00 $228.65

15% Off
& First Month Free

9'x15'* Storage Unit

Indoor Storage Unit

Heated / Air Cooled

$278.00 $236.30

15% Off
& First Month Free

10'x14'* Storage Unit

Indoor Storage Unit

Heated / Air Cooled

$281.00 $238.85

15% Off
& First Month Free

10'x15'* Storage Unit

Indoor Storage Unit

Heated / Air Cooled

$298.00 $253.30

15% Off
& First Month Free

Units available for reservation; no credit card information required.

12.5'x13'* Storage Unit

Indoor Storage Unit

Heated / Air Cooled

$316.00 $268.60

15% Off
& First Month Free

10'x20'* Storage Unit

Indoor Storage Unit

Heated / Air Cooled

$487.00 $413.95

15% Off
& First Month Free

10'x20'* Storage Unit

Indoor Storage Unit

Heated / Air Cooled

$531.00 $451.35

15% Off
& First Month Free

15'x25'* Storage Unit

Indoor Storage Unit

Heated / Air Cooled

$736.00 $625.60

15% Off
& First Month Free

16'x25'* Storage Unit

Indoor Storage Unit

Heated / Air Cooled

$830.00 $705.50

15% Off
& First Month Free

Units available for reservation; no credit card information required.

19ft* Parking Space

Vehicle Storage

Car Storage

Motorcycle Storage

$234.00 $198.90

15% Off
& First Month Free

24ft* Parking Space

Vehicle Storage

Car Storage

Motorcycle Storage

$234.00 $198.90

15% Off
& First Month Free

Mercer Island, Washington Storage Facility Features*:



CubeSmart locations offer a variety of storage spaces such as personal storage, mini storage and commercial storage. Reserve a space today.
*Available at select storage facilities.

Find All Storage Facilities Located Closest to Mercer Island, Washington

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Thank you for visiting CubeSmart's storage facilities in Mercer Island!

At our Mercer Island storage facilities, CubeSmart offers a number of solutions for all types of storage needs. Self storage units vary in size from mini storage units to larger units that can accommodate cars, boats and RVs. We also provide on-site packing supplies to help make the process of putting your items in storage smooth and effortless.


Whether you're planning to relocate, storing sensitive documents for business, or just need to make more room in your apartment, CubeSmart's Mercer Island facilities offer storage solutions to fit different situations and budgets. With climate controlled/air conditioned spaces and differently sized units to choose from, CubeSmart Mercer Island can accommodate any self storage need.


Reserving a storage unit at CubeSmart's Mercer Island locations is convenient and hassle free!

We know you have options when it comes to self storage in the Mercer Island area. That's why we want you to know about all of the great things CubeSmart has to offer, the combination of which can't be found anywhere else. Our storage units are cheap when you consider the amenities we provide like convenient access and security features. In addition to clean storage facilities and friendly managers, you'll enjoy more free services than ever before – we even provide photocopying!


At CubeSmart we are committed to providing our customers with convenient well-maintained storage in Mercer Island. We're firm believers that inexpensive storage shouldn't come at a loss of quality or with a reduction in amenities. Our great customer service team is here to help you get the most out of your visit to our storage facility.


So go ahead and compare our prices to the following storage companies also servicing the Mercer Island area:

  • Factoria Security Self Storage
  • Public Storage
  • Seattle Self Storage
  • Storage Court Of Mercer Island Self Storage
  • Storage One Self Storage
  • The Stor-House Self Storage
  • West Coast Self-Storage Columbia City

With CubeSmart, you get great deals on quality storage.

*Storage unit sizes are approximate and subject to availability.
Promotions available on select units and cannot be combined with other offers except for our military discounts.
Other restrictions, taxes, and fees may apply. Click here for promotion details.