Self Storage Units in Millsboro, DE

Sentinel Self Storage at 28462 John J Williams Highway, Millsboro, DE 19966

Contactless rentals
Drive-up units

Filter units

Unit size



Unit types

Sentinel Self Storage: Safe. Convenient. Clean.

Serving Millsboro, Sussex County, Long Neck, Dagsboro, and Georgetown

Clean and Safe Facilities

Cleanliness is our middle name. We ensure all of our facilities are clean and welcoming for our customers.

RV/Boat Parking

Convenient parking and easy access for your RV, boat, or motorcycle

Excellent Customer Service

At Sentinel Self Storage, we treat our customers like family.

Gated Access

This location features gated entry for convenient access and excellent security.

Drive-up Storage Units

Cut down on moving time and save your back by unloading your belongings right by your storage unit.

24/7 Video Surveillance

State-of-the-art security cameras ensure you and your belongings are safe at Sentinel Self Storage.

Millsboro, DE: Your Local Self Storage and Moving Experts

Conveniently located on John J. Williams Highway, Sentinel Self Storage at Millsboro, DE, is the perfect solution for your residential or commercial storage needs. 

This location features traditional drive-up storage units, warehouse storage, RV/boat parking, and moving and packing supplies. As a family-owned and operated company, we know how important safety and security are to our customers. 

Therefore, Millsboro, DE, provides top-notch security amenities, including heavy-duty fencing, gated keypad entry, security lighting, and 24/7 video surveillance. Check out our Specialty Storage page to learn more about all the various types of self storage we offer.

Extra Features and Amenities at Millsboro, DE

We provide much more than just high-quality storage units.

  • Moving and packing supplies
  • File storage
  • 24-hour access available
  • Discounts for long-term and pre-paid storage units

Got a Question for Our Professional Storage Staff?

Sentinel Self Storage: Dedicated to Our Customers

See all FAQs