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  1. Home
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  3. 354 FORTRESS
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354 FORTRESS

Old San Juan, PR 00901
Sold
  • $2,350,000
  • $2,495,000
  • Vendida: 22/06/2026
    Precio Original: $2,495,000
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1 fotos
  • Property Type
  • Multifamily
  • 0
  • Bedroom
  • 8751 ft²
  • Area Size
  • 1900
  • Year Built
  • 29
  • Days on Market
Sold
354 FORTRESS
Old San Juan, PR 00901
  • $2,350,000
  • $2,495,000
  • Vendida: 22/06/2026
    Precio Original: $2,495,000
Multifamily
8751 ft²
$269/p2
29 Días en el mercado

Description

HERITAGE COMMERCIAL PROPERTY ON FORTALEZA STREET.
Just steps from Plaza Colón, at the gateway to Old San Juan, this heritage commercial property embodies the city’s historic pulse and cultural vitality. Positioned on the Eastern end of the iconic Fortaleza Street, one of the city’s most bustling thoroughfares, this historic mixed-use building is surrounded by eateries, boutiques and specialty shops, with the city’s main parking garages less than a block away. This stretch of Fortaleza runs adjacent to Plaza Colón, which remains one of San Juan’s most emblematic squares. Historic landmarks like Teatro Tapia and the Antiguo Casino Español form the plaza’s perimeter, while a marble statue of Christopher Columbus rises at its center. This storied setting situates the property within the cultural and civic heart of the old city, where heritage and daily life converge.

Floor-to-ceiling glass windows decorate the building’s façade and reveal over 3,000 square feet of open-plan space. Currently curated as an art gallery, the first level of the building features soaring beamed ceilings, modern lighting, and central air conditioning. Sweeping arches lead to a dramatic interior patio and a central atrium that extends vertically through the height of the building. Enclosed in glass, this imposing architectural feature bathes every floor with natural light, while shielding the interiors from direct exposure to the elements. The main stairwell runs parallel to the central atrium, while a secondary stairwell provides direct access to the second and third levels from the street.

A contemporary office space awaits on the second level with five main offices and a generous reception area, as well as a spacious executive suite that doubles as a conference room and opens to an enchanting balcony with views of Fortaleza Street. The third level, which has been brought to shell condition, is a blank canvas awaiting transformation into a private residence, creative studio or additional commercial space. Natural light pours in from the central atrium, while a generous terrace provides additional outdoor space. Above it all, a sweeping rooftop crowns the property, offering privileged city views and the opportunity to develop additional space for entertaining guests or hosting private events.

Offering a rare combination of historic character and functional design, this building stands out as one of Old San Juan’s most versatile mixed-use properties and provides a singular opportunity for investors, entrepreneurs, and visionaries, to steward one of Fortaleza’s defining addresses into its next era.

Explore the Area

  • Address: FORTALEZA 354
  • City: Old San Juan
  • Zip/Postal Code: 00901

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Details

Updated on July 29, 2026 at 7:16 pm
Property ID813654
Price $2,350,000
Property Size8751 ft²
Land Area3261 ft²
Bedroom0
Year Built1900
Property TypeMultifamily
Property StatusSold
Días en el mercado29

Features

  • Balcony
  • Cooling air
  • Hurricane Shutters

The data relating to real estate displayed on this website comes in part from the Internet Data Exchange (IDX) Program of Stellar MLS. All listings information is deemed reliable but not guaranteed and should be independently verified through personal inspection by appropriate professionals. Listings displayed on this website may be subject to prior sale or removal from sale; the availability of any listing should always be independently verified. Listing information is provided for consumers' personal, non-commercial use, solely to identify potential properties for potential purchase; all other use is strictly prohibited and may violate relevant federal and state law.

©2026 Stellar MLS. All rights reserved.

Data last updated 07/02/2026

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