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Sentry Mini Storage



About Us

Sentry Mini Storage is Mason County's #1 storage company with a long family history in the local business community. For over 20 years, Sentry has served Shelton and its surrounding areas. All facilities are locally managed to ensure customers receive professional service and choose the best option among seven secure locations. Call today to inquire about heated as well as moving supplies and packing tips.


  • 7 Shelton locations
  • heated units available
  • secure and well-lit properties
  • various storage unit sizes
  • RV storage offered