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Sullivan Self Storage

W 2355 Highway 18, Sullivan, WI 53178

Sullivan Self Storage in 2355 Highway 18

Newer, Cleaner, Drier Units
Security Cameras Throughout
More Spacious, Up to 30 More
Wide Selection: 10 x 10 to 10 x 50
Deliveries accepted
Superior Lighting Throughout

24/7 accessibility to your unit
On-site Office
Friendly Customer Service

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Type:

Select Size:

Select Amenity:

Small
10' x 10' storage unit
10' x 10' Unit
  • Drive Up Access
  • Outside Unit
  • Vehicle
  • ACT FAST: LIMITED UNITS.
Web Rate:
$75.00
SelectClose
No Credit Card Required
Small
10' x 10' storage unit
10' x 10' Unit
  • Drive Up Access
  • Outside Unit
  • Vehicle
  • Enclosed
  • ACT FAST: LIMITED UNITS.
Web Rate:
$75.00
SelectClose
No Credit Card Required
Medium
10' x 20' storage unit
10' x 20' Unit
  • Drive Up Access
  • Outside Unit
  • Vehicle
  • ACT FAST: LIMITED UNITS.
Web Rate:
$105.00
SelectClose
No Credit Card Required
Medium
10' x 20' storage unit
10' x 20' Unit
  • Drive Up Access
  • Outside Unit
  • Vehicle
  • Enclosed
  • ACT FAST: LIMITED UNITS.
Web Rate:
$105.00
SelectClose
No Credit Card Required
Large
10' x 30' storage unit
10' x 30' Unit
  • Drive Up Access
  • Outside Unit
  • Vehicle
  • ACT FAST: LIMITED UNITS.
Web Rate:
$135.00
SelectClose
No Credit Card Required
Large
10' x 30' storage unit
10' x 30' Unit
  • Drive Up Access
  • Outside Unit
  • Vehicle
  • Enclosed
  • ACT FAST: LIMITED UNITS.
Web Rate:
$135.00
SelectClose
No Credit Card Required
Sullivan Self Storage - Limited Availability
Reserve for FREE! (855) 596-7884
Call now, let us help you find a unit and save!

Facility Hours

Office Hours

  • Mon:08:00 AM - 04:00 PM
  • Tue:08:00 AM - 04:00 PM
  • Wed:08:00 AM - 04:00 PM
  • Thu:08:00 AM - 04:00 PM
  • Fri:08:00 AM - 04:00 PM
  • Sat:CLOSED -
  • Sun:CLOSED -

Access Hours

  • Mon:12:00 AM - 11:59 PM
  • Tue:12:00 AM - 11:59 PM
  • Wed:12:00 AM - 11:59 PM
  • Thu:12:00 AM - 11:59 PM
  • Fri:12:00 AM - 11:59 PM
  • Sat:12:00 AM - 11:59 PM
  • Sun:12:00 AM - 11:59 PM

Facility Amenities

  • Cash Accepted
  • Checks Accepted
  • Credit Cards Accepted
  • On-Site Manager
  • Truck Rental
  • Cameras
  • Online Bill Pay
  • Automatic Payments
  • Online Payments

Facility Map

Frequently Asked Questions

Does Sullivan Self Storage at W 2355 Highway 18 has first floor or ground floor storage?

A ground floor storage unit at W 2355 Highway 18 makes it easier to access and does not require the use of an elevator. However, the convenience of a first floor storage unit usually comes with a cost, and are typically more expensive.

What is elevator access or an upper floor storage unit?

An elevator access storage unit makes it a little more difficult to load and unload your storage unit and requires the use of an elevator or stair case. However, a upper floor storage unit typically will be less expensive.

What is a storage locker?

A storage locker has a reduced ceiling height between 4 to 6 feet. These storage units are good for storing small items; like suit cases, small household items, school and dormitory items, office supplies or holiday decorations. Storage lockers are usually less expensive than other units and could be the ground floor or accessed with a rolling ladder.

What is an onsite storage manager?

The manager of the storage facility actually lives in an apartment that is typically attached to the storage facility. The storage unit tenants get a feeling of security, knowing that a manager is nearby to address emergency matters or other matters that could occur after hours.

Does Sullivan Self Storage, W 2355 Highway 18 offer extended hours?

Yes, Sullivan Self Storage at W 2355 Highway 18 offers extended hours. Usually storage facility office hours are 9:00 am to 6:00 pm. Extended hours could be from 6:00 am to 10:00 pm or even 24 hours a day, giving storage tenants more access to their storage unit.

What is keypad access?

A keypad entrance storage facility at W 2355 Highway 18 will control who enters and exits the facility. The tenant is provided a personal gate code and prevents non renters from entering the gated property.

What is the difference between a roll up door and a swing door?

A roll up door provides a larger opening and rolls into the ceiling of the storage unit. Where as a swing door, opens to the outside and swing door is more like a large residential house door. Larger units and newer construction will offer more roll up doors.

What items should you NOT put in a storage unit at W 2355 Highway 18?

Most, if not all storage facilities prohibit the storing of food, live animals, explosive materials, weapons, ammunition, stolen merchandise, motorized vehicles that are not registered or insured.

Do self storage facilities in Sullivan sell boxes and packing supplies?

Most storage facilities in Sullivan offer locks, different box sizes, packing tape, bubble wrap, covers for furniture and numerous other packing supplies.

What are the most common unit sizes at W 2355 Highway 18

The most common unit sizes at Sullivan Self Storage in W 2355 Highway 18 are 5x5 and 10x10. Most facilities also have other unit sizes available such as 5x`0, 10x20 and even 10x30 unit sizes.

Are the storage units at W 2355 Highway 18 secure?

All storage units at W 2355 Highway 18 are secure and protected at all times. Sullivan Self Storage in Sullivan is backed by security features such as video surveillance, security access to your unit only and electronic gate access.

Facility Reviews

Bill White

August 23rd, 2025- From Sf

Hard to get vehicle in space due to space between the drive and floor of the space.

Brad

January 18th, 2022- From Sf

Clean and convenient. Had the unit size that I needed.

Michael Schindler

March 7th, 2021- From Sf

Office staff was very friendly. Facility is OK, BUT, three of the main flood lights that light the immediate area adjacent to my RV were NOT functioning!!! Additionally, flood lighting for the Business Signage was out too!!! Left message at office BUT have NOT received a return call several days later!

Matthew

November 3rd, 2019- From Sf

People were friendly, place is clean and looks To be well maintained.

MB

September 3rd, 2019- From Sf

Great staff, easy setup process, and easy access to the units.

craig

September 4th, 2018- From Sf

The unit I got was brand new, but all others I saw were clean. The monthly rate is very competitive with units closer to Waukesha.

Sheila

July 30th, 2016- From Sf

Owner was very accommodating and the price is great also