StorageDefender Technology

Smart Storage Units
for Peace of Mind

24/7 peace of mind over your valuables — real-time motion alerts sent directly to your phone, no matter where you are in the world.

Clean & Affordable
1 Annual Rate Increase Guaranteed
Online Rentals & Bill Pay
Best of Charleston 2026 Finalist
Family-Owned Since 1990
Current Specials
1 Month Free Johns Island Location
2 Months Free Summerville Location
View All Current Specials
Smart Storage Unit Technology Graphic

Smart Storage Units at
Main Road Self Storage

Main Road Self Storage is excited to announce we are providing a new Smart Unit service to our tenants! Whether you're living out of state, vacationing across the world, or simply too busy to visit your storage unit, StorageDefender Smart Units provide you 24/7 peace of mind over your valuables.

Are you looking for more peace of mind? Similar to your favorite Smart Home products, Smart Units provide 24/7 connection to your belongings no matter your location. If any motion is detected inside of your unit, you will instantly be notified via text message.

Keep track of the ins and outs of your storage unit by renting a Smart Unit today!

Peace of Mind
in 3 Simple Steps

StorageDefender technology keeps you connected to your unit at all times.

01
Rent a Smart Unit

Choose a Smart Unit when renting online or at either of our locations. Ask our team about current availability.

02
Motion Detection Active

StorageDefender sensors inside your unit monitor for any movement 24 hours a day, 7 days a week.

03
Instant Text Alerts

If motion is detected in your unit, you will be notified instantly via text message — from anywhere in the world.

Find Us

Two convenient locations in the Charleston metro area — click a marker for directions.

Pay Your Bill Online

Quick, easy, and secure. Pay your storage rent from any device — phone, tablet, or computer. Quick sign-in and pay securely.

Need help? Call us: Johns Island 843-559-0061 · Summerville 843-821-6555