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    Port Isabel, TX
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    Port Isabel, TX Land for Sale

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    South Padre Island, TX Laguna Vista, TX Brownsville, TX
    50 results
    Channel-Front Multi-Family Property
    $595,000
    1,922 SF

    Channel-Front Multi-Family Property

    921 Bass Ave, Port Isabel, TX 78578

    Waterfront property with boat slips and rental potential.

    • Channel‑front property with two private boat slips, one covered with boat lift.
    • Downstairs unit is fully furnished and ready for immediate use or rental.
    • Upstairs unit features two bedrooms, each with an en‑suite bathroom, plus a bonus room.
    • Boat, boat lift, kayaks, stand‑up paddle boards, and grill included in the sale.
    • Downstairs unit has a covered channel‑front patio.
    Updated: Mar 16
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    Waterfront Triplex Investment Opportunity
    $799,999
    1,794 SF

    Waterfront Triplex Investment Opportunity

    1109 Tarpon Ave, Port Isabel, TX 78578

    Furnished waterfront triplex near South Padre Island with boat slips.

    • Waterfront triplex with three private boat slips and fishing dock.
    • Fully furnished units, including a spacious 2‑bedroom, 2‑bath unit with private patio.
    • Rare indoor heated pool for year‑round enjoyment.
    • Minutes from the bay and South Padre Island beaches, dining, and entertainment.
    • Income‑producing vacation rental investment opportunity.
    Updated: Oct 18, 2025
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    Waterfront Lots with Gulf Access
    $520,000
    0.19 Acres

    Waterfront Lots with Gulf Access

    Waterfront lots ideal for boating and coastal living.

    Tarpon Avenue, Port Isabel, TX 78578
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    Waterfront Lot in Port Isabel
    $395,000
    0.17 Acres

    Waterfront Lot in Port Isabel

    Prime waterfront lot with deep-water access and SpaceX views.

    South Shore lot: 6, Port Isabel, TX 78578
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    Waterfront Lot in Port Isabel
    $395,000
    0.17 Acres

    Waterfront Lot in Port Isabel

    Deep-water access lot near industrial expansions and SpaceX views.

    South Shore lot: 5, Port Isabel, TX 78578
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    Waterfront Lot in Pirates Cove
    $296,000
    0.33 Acres

    Waterfront Lot in Pirates Cove

    Rare waterfront lot with private dock and Gulf access.

    Anne Bonny lot: 29, Port Isabel, TX 78578
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    Waterfront Lot in Port Isabel
    $375,000
    0.17 Acres

    Waterfront Lot in Port Isabel

    Deep water access, SpaceX views, ideal for private estate.

    South Shore lot: 15, Port Isabel, TX 78578
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    Commercial Lot in Port Isabel
    $325,000
    0.16 Acres

    Commercial Lot in Port Isabel

    Commercial lot available in the center of Port Isabel, Texas.

    Highway 100 lot: 3, Port Isabel, TX 78578
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    Waterfront Land in Port Isabel
    $60,000
    0.12 Acres

    Waterfront Land in Port Isabel

    Waterfront land offering incredible views and freedom to build.

    W Bass Avenue, Port Isabel, TX 78578
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    Waterfront Land in Port Isabel
    $60,000
    0.12 Acres

    Waterfront Land in Port Isabel

    Rare waterfront land opportunity to build in Port Isabel, TX.

    W Bass Avenue, Port Isabel, TX 78578
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    Waterfront Lot with Dock
    $230,000
    0.11 Acres

    Waterfront Lot with Dock

    Waterfront lot with dock, boat lift, and deck.

    1209 Bass Ave lot: 47, Port Isabel, TX 78578
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    Waterfront Land on Hwy 100
    $1,300,000
    2.10 Acres

    Waterfront Land on Hwy 100

    2.1 acres with water and highway frontage near South Padre.

    Hwy 100 lot: 2, Port Isabel, TX 78578
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    Port Isabel Land Opportunity
    $90,000
    30,423 SF

    Port Isabel Land Opportunity

    Undeveloped land near South Padre Island coastal corridor.

    ABST260 - BORCH, Port Isabel, TX 78578
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    Waterfront Lot with Dock
    $230,000
    0.07 Acres

    Waterfront Lot with Dock

    Waterfront lot with dock, boat slip, and boat lift.

    106 Isabella Point Dr. lot: 49, Port Isabel, TX 78578
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    Waterfront Land in Pirates Cove
    $169,000
    0.15 Acres

    Waterfront Land in Pirates Cove

    Residential lot with direct water access in gated community.

    Anne Bonny lot: 2, Port Isabel, TX 78578
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    Residential Land in Port Isabel
    $170,000

    Residential Land in Port Isabel

    Land with water access, near shopping, dining, and beaches.

    1513 Harbor Island Dr. lot: 5, Port Isabel, TX 78578
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    Residential Land with Boat Slip
    $137,000
    0.23 Acres

    Residential Land with Boat Slip

    Land with deeded boat slip in gated community.

    Jean Lafitte lot: 8, Port Isabel, TX 78578
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    Residential Land in Port Isabel, TX
    $167,000
    0.13 Acres

    Residential Land in Port Isabel, TX

    Land for residential development near shopping, dining, and beaches.

    84 Harbor Island Dr. lot: 84, Port Isabel, TX 78578
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    Residential Lot in Pirates Cove
    $154,900
    0.17 Acres

    Residential Lot in Pirates Cove

    Waterfront lot with boat slip in gated community.

    Captain Kidd lot: 15, Port Isabel, TX 78578
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    Waterfront Residential Lot in Pirates Cove
    $175,000

    Waterfront Residential Lot in Pirates Cove

    Waterfront lot in gated community with Gulf access.

    Captain Kidd lot: 20, Port Isabel, TX 78578
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    Waterfront Lot in Long Island
    $275,000
    0.06 Acres

    Waterfront Lot in Long Island

    Intracoastal waterfront lot with new seawall and dock.

    338 Sand Dollar lot: 338, Port Isabel, TX 78578
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    Waterfront Land in Port Isabel
    $300,000
    0.23 Acres

    Waterfront Land in Port Isabel

    Prime waterfront lot with direct access to Laguna Madre.

    1301 Tarpon Ave lot: 68,69, Port Isabel, TX 78578
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    Port Isabel Land For Sale
    $125,000
    0.22 Acres

    Port Isabel Land For Sale

    Residential lot near South Padre Island, Port Isabel, Texas.

    117 Jean Lafitte lot: 7, Port Isabel, TX 78578
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    Port Isabel Land Near SPI
    $125,000
    0.22 Acres

    Port Isabel Land Near SPI

    Residential lot in Port Isabel near South Padre Island.

    113 Jean Lafitte lot: 6, Port Isabel, TX 78578
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    Port Isabel, TX Land Investment Opportunities Market Analysis

    Explore 72 land for sale in Port Isabel, TX, showcased through 50 active listings on our real estate platform. These investment opportunities span a total of 34,139 square feet of properties for sale, with an estimated market value of $1,484,999.

    Sale prices for lots in Port Isabel, TX start at $90,000, averaging $494,999, and reaching up to $799,999 — 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

    Waterfront Land 25
    Residential land & home lots 25
    Commercial land 6
    Recreation land 2

    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 median listing prices of real estate assets

    Neighborhood Average Price
    78578 $1.3M

    Taxes & Financing

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

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