# 5 S 3RD UNIT B Street, Fernandina Beach, FL 32034 > **TL;DR:** commercial, $899,000 ($595/sqft), built 1884, 1,511 sqft. > A/C. Est. $4,808/mo. Listed 119 days. ## Property at a Glance | Attribute | Value | |-----------|-------| | Price | $899,000 | | Price/sqft | $595 | | Square Feet | 1,511 | | Year Built | 1884 | | Stories | 2 | | Property Type | Commercial (Other) | | Status | Active | | Days on Market | 119 | ## Estimated Monthly Costs | Category | Amount | |----------|--------| | Principal & Interest (20% down, 30-year at 6.5%) | $4,546 | | Estimated Insurance | $262 | | **Total** | **$4,808** | ## Key Amenities - A/C ## Property Highlights - Built in 1884 - 2 stories ## Description ### Agent Description The City Mart Building fronts Centre St and was built in 1884. Unit B opens from 3rd St and offers 1,511 SF of space, 100% occupied, and zoned C3 making it an exceptional investment opportunity in historic downtown Fernandina Beach on Amelia Island. With broad appeal and a flexible layout supporting many office configurations, this property is ideal for owner-users or investors seeking long-term income production. It's ideally suited for legal services, business professionals, or client-based operations, but the C-3 zoning allows for retail and residential as well. This property is a strong candidate for portfolio diversification and future repositioning, presenting a compelling opportunity for savvy investors in one of Amelia Island's most recognizable buildings. The executive office on the first level showcases exposed brick walls from 1900, custom built-ins, and new windows overlooking the courtyard. It also includes a kitchenette, half bath, and storage. Upstairs, three private offices share a large flex space that functions well as a lounge or waiting area. The conference room opens to a shared balcony, awhile the other two private offices overlook S. 3rd St. This floor also has a large kitchenette and half bath. A cornerstone of Amelia Island's downtown, the City Mart Building blends local history with flexible commercial potential. Seize this opportunity to own Unit B and secure your place in Fernandina Beach's vibrant, historic downtown district. Parking is available for long-term lease in the adjacent privately owned lot. ## Location - **Address:** 5 S 3RD UNIT B Street, Fernandina Beach, FL 32034 - **County:** Nassau ## Listing Agent - **Name:** Sara Terry - **Brokerage:** Chaplin Williams Realty - **Broker Phone:** (904) 753-1415 ## Photos ![5 S 3RD UNIT B Street - Photo 1](http://lh.rdcpix.com/86e465ed578ee806b625c257f6785b19l-f2191867636r.jpg) ![5 S 3RD UNIT B Street - Photo 2](http://lh.rdcpix.com/86e465ed578ee806b625c257f6785b19l-f1322216538r.jpg) ![5 S 3RD UNIT B Street - Photo 3](http://lh.rdcpix.com/86e465ed578ee806b625c257f6785b19l-f4003564983r.jpg) ![5 S 3RD UNIT B Street - Photo 4](http://lh.rdcpix.com/86e465ed578ee806b625c257f6785b19l-f1728220291r.jpg) ![5 S 3RD UNIT B Street - Photo 5](http://lh.rdcpix.com/86e465ed578ee806b625c257f6785b19l-f2816222991r.jpg) ![5 S 3RD UNIT B Street - Photo 6](http://lh.rdcpix.com/86e465ed578ee806b625c257f6785b19l-f4133074144r.jpg) ![5 S 3RD UNIT B Street - Photo 7](http://lh.rdcpix.com/86e465ed578ee806b625c257f6785b19l-f381122278r.jpg) ![5 S 3RD UNIT B Street - Photo 8](http://lh.rdcpix.com/86e465ed578ee806b625c257f6785b19l-f3961658877r.jpg) ![5 S 3RD UNIT B Street - Photo 9](http://lh.rdcpix.com/86e465ed578ee806b625c257f6785b19l-f4141036935r.jpg) ![5 S 3RD UNIT B Street - Photo 10](http://lh.rdcpix.com/86e465ed578ee806b625c257f6785b19l-f835863984r.jpg) ![5 S 3RD UNIT B Street - Photo 11](http://lh.rdcpix.com/86e465ed578ee806b625c257f6785b19l-f1873510482r.jpg) ![5 S 3RD UNIT B Street - Photo 12](http://lh.rdcpix.com/86e465ed578ee806b625c257f6785b19l-f3690242446r.jpg) ![5 S 3RD UNIT B Street - Photo 13](http://lh.rdcpix.com/86e465ed578ee806b625c257f6785b19l-f385485257r.jpg) ![5 S 3RD UNIT B Street - Photo 14](http://lh.rdcpix.com/86e465ed578ee806b625c257f6785b19l-f1879519406r.jpg) ![5 S 3RD UNIT B Street - Photo 15](http://lh.rdcpix.com/86e465ed578ee806b625c257f6785b19l-f1446604537r.jpg) ![5 S 3RD UNIT B Street - Photo 16](http://lh.rdcpix.com/86e465ed578ee806b625c257f6785b19l-f3998577962r.jpg) ![5 S 3RD UNIT B Street - Photo 17](http://lh.rdcpix.com/86e465ed578ee806b625c257f6785b19l-f2554375969r.jpg) ![5 S 3RD UNIT B Street - Photo 18](http://lh.rdcpix.com/86e465ed578ee806b625c257f6785b19l-f968602756r.jpg) ![5 S 3RD UNIT B Street - Photo 19](http://lh.rdcpix.com/86e465ed578ee806b625c257f6785b19l-f1016317747r.jpg) ![5 S 3RD UNIT B Street - Photo 20](http://lh.rdcpix.com/86e465ed578ee806b625c257f6785b19l-f1641759546r.jpg) ![5 S 3RD UNIT B Street - Photo 21](http://lh.rdcpix.com/86e465ed578ee806b625c257f6785b19l-f917060961r.jpg) ![5 S 3RD UNIT B Street - Photo 22](http://lh.rdcpix.com/86e465ed578ee806b625c257f6785b19l-f116895058r.jpg) ![5 S 3RD UNIT B Street - Photo 23](http://lh.rdcpix.com/86e465ed578ee806b625c257f6785b19l-f2287046901r.jpg) ![5 S 3RD UNIT B Street - Photo 24](http://lh.rdcpix.com/86e465ed578ee806b625c257f6785b19l-f2941767207r.jpg) ![5 S 3RD UNIT B Street - Photo 25](http://lh.rdcpix.com/86e465ed578ee806b625c257f6785b19l-f3951655712r.jpg) ![5 S 3RD UNIT B Street - Photo 26](http://lh.rdcpix.com/86e465ed578ee806b625c257f6785b19l-f3643225691r.jpg) ![5 S 3RD UNIT B Street - Photo 27](http://lh.rdcpix.com/86e465ed578ee806b625c257f6785b19l-f654623630r.jpg) ![5 S 3RD UNIT B Street - Photo 28](http://lh.rdcpix.com/86e465ed578ee806b625c257f6785b19l-f317696036r.jpg) ![5 S 3RD UNIT B Street - Photo 29](http://lh.rdcpix.com/86e465ed578ee806b625c257f6785b19l-f4147941122r.jpg) ![5 S 3RD UNIT B Street - Photo 30](http://lh.rdcpix.com/86e465ed578ee806b625c257f6785b19l-f3155827834r.jpg) ![5 S 3RD UNIT B Street - Photo 31](http://lh.rdcpix.com/86e465ed578ee806b625c257f6785b19l-f764569249r.jpg) ![5 S 3RD UNIT B Street - Photo 32](http://lh.rdcpix.com/86e465ed578ee806b625c257f6785b19l-f3783855457r.jpg) ![5 S 3RD UNIT B Street - Photo 33](http://lh.rdcpix.com/86e465ed578ee806b625c257f6785b19l-f697394993r.jpg) ![5 S 3RD UNIT B Street - Photo 34](http://lh.rdcpix.com/86e465ed578ee806b625c257f6785b19l-f438791972r.jpg) --- **MLS#:** 116590 | **Updated:** 2026-10-26 **Source:** listhub *Copyright © 2026 Amelia Island-Nassau County Association 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/5-s-3rd-unit-b-street-fernandina-beach-fl-32034-79a223ecf23d4d89a95123b5b79cedfb) --- ## Structured Data ```json { "@context": "https://schema.org", "@type": "RealEstateListing", "@id": "https://staging.propertysimple.ai/listing/5-s-3rd-unit-b-street-fernandina-beach-fl-32034-79a223ecf23d4d89a95123b5b79cedfb#listing", "url": "https://staging.propertysimple.ai/listing/5-s-3rd-unit-b-street-fernandina-beach-fl-32034-79a223ecf23d4d89a95123b5b79cedfb", "name": "5 S 3RD UNIT B Street, Fernandina Beach, FL 32034", "description": "The City Mart Building fronts Centre St and was built in 1884. Unit B opens from 3rd St and offers 1,511 SF of space, 100% occupied, and zoned C3 making it an exceptional investment opportunity in historic downtown Fernandina Beach on Amelia Island. With broad appeal and a flexible layout supporting many office configurations, this property is ideal for owner-users or investors seeking long-term income production. It's ideally suited for legal services, business professionals, or client-based operations, but the C-3 zoning allows for retail and residential as well. This property is a strong candidate for portfolio diversification and future repositioning, presenting a compelling opportunity for savvy investors in one of Amelia Island's most recognizable buildings. The executive office on the first level showcases exposed brick walls from 1900, custom built-ins, and new windows overlooking the courtyard. It also includes a kitchenette, half bath, and storage. Upstairs, three private offices share a large flex space that functions well as a lounge or waiting area. The conference room opens to a shared balcony, awhile the other two private offices overlook S. 3rd St. This floor also has a large kitchenette and half bath. A cornerstone of Amelia Island's downtown, the City Mart Building blends local history with flexible commercial potential. Seize this opportunity to own Unit B and secure your place in Fernandina Beach's vibrant, historic downtown district. 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