Promotions and discounts at Sentinel Self Storage

Contactless rentals
Drive-up Units

Sentinel Self Storage: An Eastern States Group Company

Family-owned and operated for over 27 years

At Sentinel Self Storage, we’re committed to providing you with high-quality storage units at affordable rates. 

Check this page often to find information about our current internet specials and discounts. Also, be sure to call your local Sentinel Self Storage location directly and ask about in-store specials.

We offer climate-controlled storage units, RV/boat parking, warehouse storage, and drive-up storage units at our DE, MD, NJ, and PA locations. 

Get Your Discount Instantly

Apply your savings in 3 easy steps

Choose Your Storage Unit

Select a storage unit at one of our convenient locations.

Apply Your Special Discount

Choose the special offer to upgrade your storage unit rate.

Get Your New Rate

Instantly receive your discount and complete your easy online rental.

Our Locations