# 321 Highway 100, Port Isabel, TX 78578

> **TL;DR:** commercial, $1,500,000 ($629/sqft), built 1982, 2,384 sqft. Est. $6,500/mo. Listed 344 days.

## Property at a Glance

| Attribute | Value |
|-----------|-------|
| Price | $1,500,000 |
| Price/sqft | $629 |
| Square Feet | 2,384 |
| Year Built | 1982 |
| Lot Size | 43,560 sqft (1.00 acres) |
| Property Type | Commercial (Other) |
| Status | For Sale |
| Days on Market | 344 |

## Estimated Monthly Costs

| Category | Amount |
|----------|--------|
| Mortgage (20% down, 6.5%) | $6,500 |
| **Total** | **$6,500** |

## Property Highlights

- Built in 1982
- 1.00 acre lot

## Description

### Agent Description
Causey's Liquor and Circle Drive Inn... building, equipment, inventory and business are for sale. It is 2 businesses and the parking lot included in this sale. This prime commercial business is located on the highly sought after Highway 100 in Port Isabel. It is a well-established convenience and liquor store that offers excellent visibility and accessibility. There is 1,224 sq. feet for the C-store and 1,160 sq. feet for the liquor store that share a black top parking lot. There is drive through window for convenience in the liquor store. The sign over Circle Drive Inn is highly sought by locals as it displays celebrations and announcements daily. Family has operated successful business for over 40 years! This is a rare opportunity to own a turnkey, family business or make it your own in the heart of Port Isabel on the way to South Padre Island.

## Location

- **Address:** 321 Highway 100, Port Isabel, TX 78578
- **County:** Cameron
- **Coordinates:** 26.0741064, -97.2128029
- **Google Maps:** https://www.google.com/maps?q=26.0741064,-97.2128029

## Listing Agent

- **Name:** Laura Stathopoulos
- **Brokerage:** Blue Heron Realty & Management, LLC
- **Phone:** 9562995945
- **Email:** lstathopou@gmail.com

## Primary Photo

![321 Highway 100 - Primary Photo](http://lh.rdcpix.com/ef9f6e9cb49a421f114bd7c64e160aa9l-f2006324358r.jpg)

*35 total photos available on [listing page](https://www.propertysimple.com/listing/321-highway-100-port-isabel-tx-78578-x103941)*

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**MLS#:** 103941 | **Updated:** 2026-06-18
**Source:** listhub

*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.*

[View on PropertySimple](https://www.propertysimple.com/listing/321-highway-100-port-isabel-tx-78578-x103941)

---

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