We provide convenient storage units, outstanding customer service, and much more. Check out our Specials page to discover additional savings.
Climate-controlled Storage Units
Climate-controlled storage units protect your valuables from extreme temperatures and humidity by maintaining a steady temperature of 60-78 degrees.
RV/Boat Parking and Storage
Indoor storage units for boats, motorcycles, and vehicles are available at all locations. Outdoor or covered RV, boat, and vehicle parking are also available at select locations.
24/7 Security
Sentinel Self Storage offers state-of-the-art video surveillance, security lighting, and heavy-duty perimeter fencing. Security amenities vary by location.
Residential Storage
Are you moving and need a temporary home for your furniture? Our clean and well-lit storage units are perfect for whatever transition you’re going through.
Gated Facilities
Our storage locations feature gated access for your protection and peace of mind.
Commercial Storage
Are you a local business looking for high-quality storage units? Store your records, paperwork, equipment, or seasonal inventory with us! Our drive-up, exterior storage units make accessing your things very easy.
We offer a variety of easily accessible storage facilities in DE, NJ, PA, and MD.
Use our size guide feature to discover the perfect storage unit for your budget.
Complete your easy online rental and move in at your convenience. That’s it!
As a family-owned storage business with a 25-year history of providing household and business storage units, we want you to feel like you’re part of our family when you rent a storage unit with us.
Our mission is to provide exceptional customer service, clean and secure storage units, and convenient locations. Our facilities offer climate-controlled storage units, RV/boat parking and storage, and traditional drive-up storage units.
Owned by the same family since 1953, Sentinel Self Storage belongs to the Eastern States Group network of businesses that specialize in the real estate and construction industry.
Easy steps to rent your storage unit
Convenient self storage locations in DE, NJ, PA, and MD
Years in the self storage business and counting
Temperature-controlled buildings to protect your things