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    Port Isabel, TX
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    Port Isabel, TX Retail Space for Sale

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    Two-Business Convenience Store Property
    Updated: Jun 22, 2025
    Two-Business Convenience Store Property

    321 Highway 100, Port Isabel, TX 78578

    $1,500,000
    2,384 sqft 1.00 AC lot
    Two businesses included: a convenience store and a liquor store
    1,224‑square‑foot convenience store and 1,160‑square‑foot liquor store
    Drive‑through window at the liquor store
    Shared paved parking lot included
    Approximately 1 acre on Highway 100 in Port Isabel
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    Waterfront Marina With Tour Boat
    Updated: Aug 6
    Waterfront Marina With Tour Boat

    510 E Queen Isabella Blvd., Port Isabel, TX 78578

    $3,600,000
    810 sqft 0.36 AC lot
    Private docks with direct access to the Laguna Madre
    Includes 60‑foot tour boat, business inventory, and operating equipment
    810 square feet of waterfront office and retail space
    Configured for ticket sales, souvenirs, and customer check‑in
    Large on‑site parking lot for tour groups and visitors
    View details
    Highway Frontage Storefront Building
    Highway Frontage Storefront Building

    505 E Highway 100, Port Isabel, TX 78578

    $599,000
    3,080 sqft

    Located along Highway 100 with a layout suited to retail, office, or service businesses.

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    See what stands out in Cameron County

    We check every for-sale listing in the county against comparable properties across the country. Most price about where you would expect. A few are worth a second look.

    We check every listing here. A few are worth a second look.

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    Waterfront Marina Property
    Waterfront Marina Property

    510 E Queen Isabella, Port Isabel, TX 78578

    $3,600,000
    810 sqft

    Office, retail space, private docks, and tour equipment support an operating coastal excursion business.

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    Based on your search, we've compiled 8 Potential Opportunities for your consideration. Besides 4 Active listings in Port Isabel, TX, we suggest exploring several alternatives: 4 properties in Nearby Cities

    Opportunities in Nearby Cities

    Here are 4 Similar properties we found in Nearby Locations for your consideration.

    Retail Space on Main Thoroughfare
    Retail Space on Main Thoroughfare

    5200 Padre Blvd, South Padre Island, TX 78597

    Contact for pricing
    5,500 sqft

    Retail property for sale on South Padre Island’s main thoroughfare, totaling about 5,500 square feet.

    View details
    Retail Center with Bay Door Shop
    Retail Center with Bay Door Shop

    221-219 OCEAN BLVD., Los Fresnos, TX 78566

    Contact for pricing
    5,400 sqft

    Two retail buildings with a shop on-site, including three overhead bay doors and recently updated building and parking improvements.

    View details
    Storefront Property with Long-Term Tenants
    Storefront Property with Long-Term Tenants

    1600 Padre Blvd, South Padre Island, TX 78597

    Contact for pricing

    Building and land include additional area for development near CVS pharmacy on South Padre Island.

    View details
    Commercial Building with Mechanic Shop
    Commercial Building with Mechanic Shop

    318 ARROYO BLVD., Los Fresnos, TX 78566

    Contact for pricing

    Commercial building featuring a beauty salon and mechanic shop.

    View details

    Port Isabel, TX Retail Space Market Trends and Statistics

    Explore 4 retail space for sale in Port Isabel, TX, showcased through 4 active listings on our real estate platform. These investment opportunities span a total of 7,084 square feet of properties for sale, with an estimated market value of $9,299,000.

    Sale prices for retail space in Port Isabel, TX start at $599,000, averaging $2,324,750, and reaching up to $3,600,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you stay ahead with the latest data and market trends.

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    Top Commercial Asset Segments

    Commercial property segments ranked by active listings on the market

    Storefront properties 3
    Drug stores 1
    Grocery and convenience stores 1

    Demographics Overview

    Population 10K
    Population Growth (5Y) -12.4%
    Median Household Income $52,041
    College Educated 34.6%

    High-Yield Neighborhoods for Investment

    Identify Port Isabel submarkets with the highest inventory density on the market and evaluate the average listing prices of real estate assets

    Neighborhood Average Price
    78578 $2.3M

    Taxes & Financing

    Tax Rate (average for all types) 1.71%
    Property Tax per SF $20.64 per SF
    Tax Rate vs County Average 0.10 pp below county avg
    Average Loan-to-Value 65.0%

    Listings Trend

    New vs delisted commercial listings in Cameron County

    New Delisted

    Total CRE Inventory on Market (SF)

    Average Property Price per SF

    For-sale pricing trends across core commercial property types in Cameron County

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