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    Port Isabel, TX Waterfront Land for Sale

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    South Padre Island, TX Laguna Vista, TX Brownsville, TX
    23 listings
    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.
    • Fully furnished waterfront triplex built in 2020, with water views and a canal setting in Port Isabel
    • Triplex layout includes two 1‑bedroom, 1‑bath units and one 2‑bedroom, 2‑bath unit
    • 2‑bedroom unit features a large living area, full kitchen, laundry area, and private patio overlooking the water
    • Outdoor amenities include three private boat slips and a fishing dock with a fish cleaning station
    • On‑site covered picnic and BBQ area plus a fenced yard for added privacy
    Updated: Oct 18, 2025
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    Waterfront Lot in Port Isabel
    $395,000
    0.17 Acres
    Waterfront Lot in Port Isabel

    South Shore lot: 6, Port Isabel, TX 78578

    Prime waterfront lot with deep-water access and SpaceX views.
    • Direct Intracoastal Waterway frontage with deep‑water access.
    • 50' x 150' waterfront lot on South Shore Dr in Port Isabel.
    • Spectacular SpaceX views.
    • Fishing right out your back door.
    • Strategically located near Jetties, Brownsville Ship Channel, and major industrial expansions.
    Updated: May 31
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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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    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 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 Residential Buildable Lot
    $280,000
    0.23 Acres
    Waterfront Residential Buildable Lot

    Build a coastal home on a waterfront lot with direct access to a deep-water channel and Laguna Madre.

    1301 Tarpon Ave lot: 68,69, 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 RV Lot in Port Isabel
    $186,000
    Waterfront RV Lot in Port Isabel

    Waterfront RV lot with amenities and rental income potential.

    374 Sand Dollar lot: 374, 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 Land on Intracoastal Waterway
    $1,220,750
    1.01 Acres
    Waterfront Land on Intracoastal Waterway

    Prime waterfront property with deep water access to Laguna Madre.

    South Shore lot: 1, Port Isabel, TX 78578

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    Waterfront Lot in Long Island
    $189,000
    Waterfront Lot in Long Island

    Waterfront lot with RV pad and community amenities.

    695 E Clam Circle lot: 695, Port Isabel, TX 78578

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    Waterfront Land in Port Isabel
    $285,000
    Waterfront Land in Port Isabel

    Waterfront land with boat lift and fishing deck.

    142 E Bonnet Circle lot: 142, Port Isabel, TX 78578

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    Waterfront Development Opportunity in Port Isabel
    $13,900,000
    27.70 Acres
    Waterfront Development Opportunity in Port Isabel

    27.7 acres with 3,260 feet of waterfront near South Padre.

    100 Port Rd, Port Isabel, TX 78578

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    Waterfront Lot in Port Isabel
    $228,000
    0.11 Acres
    Waterfront Lot in Port Isabel

    Waterfront lot with bulkhead in prime Port Isabel location.

    814 Tarpon Ave lot: 28, Port Isabel, TX 78578

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    Waterfront Lots in Port Isabel
    $115,000
    0.23 Acres
    Waterfront Lots in Port Isabel

    Undeveloped waterfront lots, prime location for future development.

    61&62 Tarpon Ave lot: 61&62, Port Isabel, TX 78578

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    Waterfront Land Near SpaceX
    $17,500,000
    104.14 Acres
    Waterfront Land Near SpaceX

    104.14 acres of waterfront land in Port Isabel, TX.

    Port Isabel, TX 78578

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    Waterfront Lot in Port Isabel
    $55,000
    0.10 Acres
    Waterfront Lot in Port Isabel

    Undeveloped waterfront lot near the bay in Port Isabel.

    Bass Ave lot: 38, Port Isabel, TX 78578

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    Waterfront Land on Intracoastal Waterway
    $1,825,000
    Waterfront Land on Intracoastal Waterway

    Waterfront property in Port Isabel, ideal for development.

    South Shore lot: 15-19, Port Isabel, TX 78578

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    Waterfront Land on Intracoastal Waterway
    $1,095,000
    Waterfront Land on Intracoastal Waterway

    Waterfront property ideal for development in Opportunity Zone.

    South Shore lot: 16-18, Port Isabel, TX 78578

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    Waterfront Land Near SpaceX
    $17,500,000
    104.14 Acres
    Waterfront Land Near SpaceX

    104.14 acres of waterfront land in Opportunity Zone.

    Vacant land on Long Island, Port Isabel, TX 78578

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    Based on your search, we've compiled Potential Opportunities for your consideration. Besides 23 Active Listings in Port Isabel, TX

    Port Isabel, TX Waterfront Land Investment Opportunities Market Analysis

    Explore 23 waterfront land for sale in Port Isabel, TX, showcased through 23 active listings on our real estate platform. These investment opportunities span a total of 1,794 square feet of properties for sale, with an estimated market value of $799,999.

    Sale prices for water rights properties in Port Isabel, TX start at $799,999, averaging $799,999, 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

    Commercial property segments ranked by active listings on the market

    Residential land & home lots 24
    Waterfront Land 23
    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 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)

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