Building Details

Year built 1968

Number of units 36

Listing Agency: SPI Realty Show Phone

Listed By: Ramiro Aguirre · License #0645466 Show Phone

Added: Mar 21 Changed: Sep 24 Last Checked: Oct 7 at 2:06PM

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MLS# 106029

Copyright © 2026 South Padre Island Board of Realtors. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.

Investment Insights

Based on property information with market context.

This 25,257-square-foot mixed-use property combines 24 hotel rooms with 13 occupied apartments. Marina and boating amenities include 28 boat slips, a fishing pier, a boat fuel station, and RV and boat storage. The property also has a restaurant and bar and a bait shop. Built in 1968, it sits on 4.47 acres and is zoned Comm.

Located at 418 W Highway 100 in Port Isabel, the property includes additional land used for RV and boat storage.

Key Highlights

• 24 hotel rooms and 13 occupied apartments
• 28 boat slips, a fishing pier, and a boat fuel station
• Restaurant and bar, bait shop, and RV and boat storage

Financial Insights

Estimated NOI and Cap Rate

NOI / Yr

$255,727

Cap Rate

2.84%

Suggested Prices Based on Cap Rates

Cap Rate 5%

$5,114,540 $5.1M

Cap Rate 7%

$3,653,243 $3.7M

Cap Rate 9%

$2,841,411 $2.8M

Market Conditions

NOI Build-Up for 25,257 SF

Gross rent

$454.6K $18.00/SF

− Vacancy

−$45.5K −$1.80/SF

EGI

$409.2K $16.20/SF

− OpEx

−$153.4K −$6.07/SF

NOI

$255.7K $10.13/SF

Area

Cameron County, TX

Vacancy

10.00%

Lease Rate

$18.00 /SF/Yr

Expense Ratio

37.50%

Simulate Cap Rate and NOI

Suggested Prices Based on Cap Rates

Cap Rate 5%

$5,114,540

Cap Rate 7%

$3,653,243

Cap Rate 9%

$2,841,411

Alternative Uses

Best Use

Mixed Use

$3.65M

$3.20M – $4.26M (±1% cap)

NOI $255,727 @ 7.0% cap · market cap 2.84%

Second Best

Hotel Hospitality

$2.78M

$2.43M – $3.24M (±1% cap)

NOI $194,353 @ 7.0% cap · market cap 2.16%

Theoretical Best

Healthcare Medical

$4.35M

$3.81M – $5.07M (±1% cap)

NOI $304,418 @ 7.0% cap · market cap 3.38%

Zoning and permitted uses should be independently verified with authorities.

Property Analytics

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Current Use

Hotels

Suggested Use

Top Pick Parking Lot & Garage HVAC Service Dental Office Garden Center Plumbing Service Skin Care Clinic

Score = modeled unmet demand for each use within ~1 mi (higher = bigger opportunity). Zoning and permitted uses should be independently verified with local authorities.

Lease Details

13

Residential units

Location Intelligence

Trade Area within ½ mile

628

Businesses Nearby

Explore this area Business Placement

Demographics for 78578, TX

10,076

Population

6,391

Households

1.6

Avg Household Size

45

Median Age

24%

College-Educated

83%

High-School Grad

57.0 sq mi

ZIP Area

177

Density / Sq Mi

$52,041

Median Household Income

$36,896

Median Earnings

$763

Median Rent

$193,700

Median Home Value

Market

Vacancy Rate% for Multifamily in South region

8.5% 2022

10.2% 2023

11.4% 2024

11.3% 2025

Questions? Ask Rey

Realmo’s AI knows this listing — price, zoning, demand, history. Ask anything.

What type of property is this? Where is this mixed-use properties located? What is the asking price? Find similar properties What are key features of this property?

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Frequently Asked Questions

What type of property is this?

Mixed-use property - Hospitality, residential, marina, dining, and boating services share a single commercial property.

Where is this mixed-use property located?

The property is located at 418 W Highway 100 Port Isabel, TX.

What is the asking price?

The asking price for this property is $9,000,000.

What are key features of this property?

This property features: 24 hotel rooms and 13 occupied apartments; 28 boat slips, a fishing pier, and a boat fuel station; Restaurant and bar, bait shop, and RV and boat storage