# 510 E Queen Isabella Blvd., Port Isabel, TX 78578 > **TL;DR:** commercial, $3,600,000 ($4444/sqft), built 1991, 810 sqft. Est. $19,254/mo. Listed 82 days. ## Property at a Glance | Attribute | Value | |-----------|-------| | Price | $3,600,000 | | Price/sqft | $4444 | | Square Feet | 810 | | Year Built | 1991 | | Lot Size | 15,756 sqft (0.36 acres) | | Property Type | Commercial (Other) | | Status | Active | | Days on Market | 82 | ## Estimated Monthly Costs | Category | Amount | |----------|--------| | Principal & Interest (20% down, 30-year at 6.5%) | $18,204 | | Estimated Insurance | $1,050 | | **Total** | **$19,254** | ## Property Highlights - Built in 1991 - 0.36 acre lot ## Description ### Agent Description Seize the opportunity to own an established waterfront business in the heart of Port Isabel, Texas. This turnkey commercial property is home to a successful dolphin watch tour operation and includes everything needed to continue serving visitors from day one. The property features a small waterfront office & retail space, ideal for ticket sales, souvenirs, and customer check-in, along with private docks that provide direct access to the Laguna Madre. Included in the sale is a 60-foot tour boat, business inventory, and equipment, making this an exceptional opportunity for entrepreneurs or investors looking to step into the thriving coastal tourism industry. The large on-site parking lot offers convenient access for tour groups & visitors. The prime waterfront location provides outstanding visibility & easy access for both locals and tourists who visit the South Padre Island and Port Isabel area each year. Schedule your private tour today. ## Location - **Address:** 510 E Queen Isabella Blvd., Port Isabel, TX 78578 - **County:** Cameron - **Neighborhood:** Original Townsite Port Isabel - **Coordinates:** 26.077833, -97.2058864 - **Google Maps:** https://www.google.com/maps?q=26.077833,-97.2058864 ## Listing Agent - **Name:** Padre Elite Team - **Brokerage:** remax elite - **Broker Phone:** (956) 330-3674 - **Listing URL:** [View original listing](http://www.usamls.net/lagunamadre/default.asp?mls_number=106623&content=expanded&this_format=0) ## Photos ![510 E Queen Isabella Blvd. - Photo 1](http://lh.rdcpix.com/2828a70f841b181744807c01f6d0bd6cl-f96047549r.jpg) ![510 E Queen Isabella Blvd. - Photo 2](http://lh.rdcpix.com/2828a70f841b181744807c01f6d0bd6cl-f1992771725r.jpg) ![510 E Queen Isabella Blvd. - Photo 3](http://lh.rdcpix.com/2828a70f841b181744807c01f6d0bd6cl-f1119902649r.jpg) ![510 E Queen Isabella Blvd. - Photo 4](http://lh.rdcpix.com/2828a70f841b181744807c01f6d0bd6cl-f2837933324r.jpg) ![510 E Queen Isabella Blvd. - Photo 5](http://lh.rdcpix.com/2828a70f841b181744807c01f6d0bd6cl-f1483590306r.jpg) ![510 E Queen Isabella Blvd. - Photo 6](http://lh.rdcpix.com/2828a70f841b181744807c01f6d0bd6cl-f3871318301r.jpg) ![510 E Queen Isabella Blvd. - Photo 7](http://lh.rdcpix.com/2828a70f841b181744807c01f6d0bd6cl-f1064958729r.jpg) ![510 E Queen Isabella Blvd. - Photo 8](http://lh.rdcpix.com/2828a70f841b181744807c01f6d0bd6cl-f3218217413r.jpg) ![510 E Queen Isabella Blvd. - Photo 9](http://lh.rdcpix.com/2828a70f841b181744807c01f6d0bd6cl-f2489163517r.jpg) ![510 E Queen Isabella Blvd. - Photo 10](http://lh.rdcpix.com/2828a70f841b181744807c01f6d0bd6cl-f1454552803r.jpg) ![510 E Queen Isabella Blvd. - Photo 11](http://lh.rdcpix.com/2828a70f841b181744807c01f6d0bd6cl-f3389716566r.jpg) ![510 E Queen Isabella Blvd. - Photo 12](http://lh.rdcpix.com/2828a70f841b181744807c01f6d0bd6cl-f3635939186r.jpg) --- **MLS#:** 106623 | **Updated:** 2026-10-19 **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://staging.propertysimple.ai/listing/510-e-queen-isabella-blvd-port-isabel-tx-78578-46ea45db521b41028306f0a7b7300ada) --- ## Structured Data ```json { "@context": "https://schema.org", "@type": "RealEstateListing", "@id": "https://staging.propertysimple.ai/listing/510-e-queen-isabella-blvd-port-isabel-tx-78578-46ea45db521b41028306f0a7b7300ada#listing", "url": "https://staging.propertysimple.ai/listing/510-e-queen-isabella-blvd-port-isabel-tx-78578-46ea45db521b41028306f0a7b7300ada", "name": "510 E Queen Isabella Blvd., Port Isabel, TX 78578", "description": "Seize the opportunity to own an established waterfront business in the heart of Port Isabel, Texas. This turnkey commercial property is home to a successful dolphin watch tour operation and includes everything needed to continue serving visitors from day one. The property features a small waterfront office & retail space, ideal for ticket sales, souvenirs, and customer check-in, along with private docks that provide direct access to the Laguna Madre. Included in the sale is a 60-foot tour boat, business inventory, and equipment, making this an exceptional opportunity for entrepreneurs or investors looking to step into the thriving coastal tourism industry. The large on-site parking lot offers convenient access for tour groups & visitors. The prime waterfront location provides outstanding visibility & easy access for both locals and tourists who visit the South Padre Island and Port Isabel area each year. Schedule your private tour today.", "image": [ "http://lh.rdcpix.com/2828a70f841b181744807c01f6d0bd6cl-f96047549r.jpg", "http://lh.rdcpix.com/2828a70f841b181744807c01f6d0bd6cl-f1992771725r.jpg", "http://lh.rdcpix.com/2828a70f841b181744807c01f6d0bd6cl-f1119902649r.jpg", "http://lh.rdcpix.com/2828a70f841b181744807c01f6d0bd6cl-f2837933324r.jpg", "http://lh.rdcpix.com/2828a70f841b181744807c01f6d0bd6cl-f1483590306r.jpg", "http://lh.rdcpix.com/2828a70f841b181744807c01f6d0bd6cl-f3871318301r.jpg", "http://lh.rdcpix.com/2828a70f841b181744807c01f6d0bd6cl-f1064958729r.jpg", "http://lh.rdcpix.com/2828a70f841b181744807c01f6d0bd6cl-f3218217413r.jpg", "http://lh.rdcpix.com/2828a70f841b181744807c01f6d0bd6cl-f2489163517r.jpg", "http://lh.rdcpix.com/2828a70f841b181744807c01f6d0bd6cl-f1454552803r.jpg", "http://lh.rdcpix.com/2828a70f841b181744807c01f6d0bd6cl-f3389716566r.jpg", "http://lh.rdcpix.com/2828a70f841b181744807c01f6d0bd6cl-f3635939186r.jpg" ], "primaryImageOfPage": { "@type": "ImageObject", "url": "http://lh.rdcpix.com/2828a70f841b181744807c01f6d0bd6cl-f96047549r.jpg", "caption": "510 E Queen Isabella Blvd. - Port Isabel, TX" }, "datePosted": "2026-08-06", "dateModified": "2026-10-19T18:12:21.993Z", "mainEntity": { "@type": "Place", "@id": "https://staging.propertysimple.ai/listing/510-e-queen-isabella-blvd-port-isabel-tx-78578-46ea45db521b41028306f0a7b7300ada#property", "name": "510 E Queen Isabella Blvd., Port Isabel, TX 78578", "address": { "@type": "PostalAddress", "streetAddress": "510 E Queen Isabella Blvd.", "addressLocality": "Port Isabel", "addressRegion": "TX", "postalCode": "78578", "addressCountry": "US" }, "geo": { "@type": "GeoCoordinates", "latitude": 26.077833, "longitude": -97.2058864 }, "image": [ "http://lh.rdcpix.com/2828a70f841b181744807c01f6d0bd6cl-f96047549r.jpg", "http://lh.rdcpix.com/2828a70f841b181744807c01f6d0bd6cl-f1992771725r.jpg", "http://lh.rdcpix.com/2828a70f841b181744807c01f6d0bd6cl-f1119902649r.jpg", "http://lh.rdcpix.com/2828a70f841b181744807c01f6d0bd6cl-f2837933324r.jpg", "http://lh.rdcpix.com/2828a70f841b181744807c01f6d0bd6cl-f1483590306r.jpg", "http://lh.rdcpix.com/2828a70f841b181744807c01f6d0bd6cl-f3871318301r.jpg", "http://lh.rdcpix.com/2828a70f841b181744807c01f6d0bd6cl-f1064958729r.jpg", "http://lh.rdcpix.com/2828a70f841b181744807c01f6d0bd6cl-f3218217413r.jpg", "http://lh.rdcpix.com/2828a70f841b181744807c01f6d0bd6cl-f2489163517r.jpg", "http://lh.rdcpix.com/2828a70f841b181744807c01f6d0bd6cl-f1454552803r.jpg", "http://lh.rdcpix.com/2828a70f841b181744807c01f6d0bd6cl-f3389716566r.jpg", "http://lh.rdcpix.com/2828a70f841b181744807c01f6d0bd6cl-f3635939186r.jpg" ], "identifier": { "@type": "PropertyValue", "propertyID": "MLS", "value": "106623" }, "additionalProperty": [ { "@type": "PropertyValue", "name": "Lot Size", "value": "0.36 acres" }, { "@type": "PropertyValue", "name": "Property Subtype", "value": "Other" }, { "@type": "PropertyValue", "name": "Property Type", "value": "Commercial" } ] }, "offers": { "@type": "Offer", "@id": "https://staging.propertysimple.ai/listing/510-e-queen-isabella-blvd-port-isabel-tx-78578-46ea45db521b41028306f0a7b7300ada#offer", "url": "https://staging.propertysimple.ai/listing/510-e-queen-isabella-blvd-port-isabel-tx-78578-46ea45db521b41028306f0a7b7300ada", "price": 3600000, "priceCurrency": "USD", "businessFunction": "http://purl.org/goodrelations/v1#Sell", "availability": "https://schema.org/InStock", "seller": { "@id": "https://staging.propertysimple.ai/listing/510-e-queen-isabella-blvd-port-isabel-tx-78578-46ea45db521b41028306f0a7b7300ada#agent" } }, "provider": { "@type": "Person", "@id": "https://staging.propertysimple.ai/listing/510-e-queen-isabella-blvd-port-isabel-tx-78578-46ea45db521b41028306f0a7b7300ada#agent", "name": "Padre Elite Team", "worksFor": { "@type": "Organization", "@id": "https://staging.propertysimple.ai/listing/510-e-queen-isabella-blvd-port-isabel-tx-78578-46ea45db521b41028306f0a7b7300ada#brokerage", "name": "remax elite", "telephone": "(956) 330-3674", "logo": { "@type": "ImageObject", "url": "http://lh.rdcpix.com/e8d24d31b4a811e5a83f1eda3959ff8ek-c895625545r.png" } } } } ```