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Climate-controlled storage units in Port Isabel, TX, and nearby areas

158 available units | 13 facilities

See Local Prices by Unit Size

Popular storage types in Port Isabel:

Climate-controlled storage units in nearby cities:

Browse storage units in other top cities across Texas:

Browse storage units in all Texas cities.

How much is a storage unit in Port Isabel?

Street rates can differ based on unit sizes, type of service, location and overall demand in the area. Features like climate control, 24/7 access, and enhanced security can also impact storage costs. Also worth noting is that many facilities offer discounts for long-term rentals and first-time customers – be sure to ask your preferred storage facility manager for details.

Average Storage Unit Prices by Size

Non Climate-Controlled Units*

Unit Size Avg. Street Rate
5x5 $35
5x10 $73
10x10 $123
10x15 $160
10x20 $222
10x30 $230
Average all sizes $140

Climate-Controlled Units*

Unit Size Avg. Street Rate
5x5 $60
5x10 $73
10x10 $123
10x15 $160
10x20 $222
10x30 $230
Average all sizes $144
*Average monthly rates for Port Isabel, TX, in April 2026

Non-climate controlled smallest Among the most popular unit sizes, non-climate-controlled 5x5 storage units generally come with the lowest prices, currently at $35 per month on average.

Non-climate controlled biggest Meanwhile, non-climate-controlled 10x30 storage units call for $230 per month on average.

Climate controlled range Prices for climate-controlled storage units range from $60 for 5x5 units to $230 for 10x30 units.

The types of storage — self storage, car storage, RV storage, boat storage, and wine storage — can also influence pricing, mainly due to factors like space requirements, specialized needs and amenities. Self storage typically involves smaller units for personal items, while car, RV and boat storage require larger spaces and enhanced security. Wine storage demands specific climate control.

Average Rent for Specialized Storage Units

  • Costs for vehicle storage units in Port Isabel range around $55. There is one facility that offers vehicle storage in Port Isabel.

  • RV storage units average $78 per month. There is one facility that offers RV storage spaces.

For more detailed information and current trends in the U.S., visit our storage unit pricing page.

How much is a climate-controlled storage unit in Port Isabel, TX?

The average price for climate-controlled units in Port Isabel, TX hovers around $238. There are 2 facilities in Port Isabel offering climate-controlled storage units.

Average rent for a climate-controlled unit
$238/mo
Average rent for a non climate-controlled unit
$227/mo

Why do you need climate-controlled storage?

Climate-controlled storage ensures constant temperature and humidity inside the unit, regardless of the season. This protects your belongings from damages associated with extreme heat or extreme cold and prevents the formation of mold and mildew.

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Climate-controlled units are generally recommended for expensive and delicate belongings, including antiques, artwork, electronics, collectibles, and important documents.

How to pack your items for climate-controlled storage

Pack items for climate-controlled storage with care to ensure their preservation. Begin by cleaning and thoroughly drying all items to prevent mold and mildew.

Use sturdy, high-quality boxes for packing, and label each box clearly. Wrap fragile items in bubble wrap or packing paper. Use furniture covers or blankets for larger pieces.

For added protection, place silica gel packets inside boxes to absorb any residual moisture.

Stack boxes strategically, with heavier ones on the bottom.

Finally, create an inventory list to keep track of your stored items for easy access and organization.

Check our useful guides on using climate-controlled self storage for more information:

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Frequently Asked Questions

What storage unit size do I need?

There’s a range of unit sizes in Port Isabel, TX. Rent a 5'x5' unit to hold some boxes, a 10'x10' for a bedroom’s contents, or a 10'x20' for a car. Find out more about the right unit size for your needs in our self storage unit size guide, or use storage unit size calculator to identify the type of unit that can best fit the items you need to store.