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No. 1 Storage Company in Mason County
Sentry Mini Storage has been a part of the Shelton community since the 1920s.
We’re a proud family-owned and operated facility. Start storing today!
DOWNLOAD OUR APP!
- Pay your bill
- Lock/Unlock your unit
- Open entry gate
- Share Access
- Move out
- Call or message the office
15 minutes to Olympia, WA, Olympic College, and YMCA. Located with easy access off of State Hwy 101!
U-Haul Rentals Available Here
We are also are a local U-Haul Dealer! Rent your truck along with your storage unit for easy move-in!
Office Hours
| Sunday | Closed |
| Monday - Friday | 9:00 AM - 5:00 PM |
| Saturday | 9:00 AM - 3:00 PM |
Access Hours
| Sunday - Saturday | 6:00 AM - 9:00 PM |
Self Storage Units & Boat/RV Parking Near Shelton, WA
Find Sentry Mini Storage at 50 W Sentry Drive in Shelton, WA. Our state-of-the-art storage facility is easily accessible off of State Highway 101, close to Agate, Bayshore, Hoodsport, Union, Brockdale, and Oakland. Are you interested in storing with us? Visit or give us at the office during business hours. We look forward to serving you!
Self Storage Units & Outdoor Boat/RV Parking in Shelton, WA
Sentry Mini Storage is always safe and secure. We’ve invested in quality security features including coded gate entry, perimeter fencing, and electric locks that track activity for you and alert you if left open. Our video surveillance system also allows us to see all facility activity 24/7.
In addition, we offer convenience at Sentry Mini Storage. You can rent dollies, handcarts, purchase boxes and storage supplies, use our power outlets, or rent a moving truck.
