SS United States to Become World's Largest Artificial Reef

OBA Staff • May 23, 2025

Restoration costs exceeding a billion dollars, sinks hopes for the return of the luxury liner

SS United States at Dock in Mobile — Photo by Perdido Queen

The SS United States, once a symbol of American maritime prowess, is embarking on a new journey. After decades docked in Philadelphia, the historic ocean liner is set to become the world's largest artificial reef. Okaloosa County, Florida, has acquired the vessel with plans to sink it off the coast of Destin-Fort Walton Beach, aiming to boost marine life and tourism.


Launched in 1952, the SS United States was designed for both luxury travel, with a potential for military transport. It still holds the record for the fastest transatlantic crossing by an ocean liner. The ship has hosted notable figures, including Marilyn Monroe and John F. Kennedy, during its service years.


The transformation process brought the ship to Mobile, Alabama, for environmental remediation. Hazardous materials like fuel oil, asbestos, and wiring will be removed to ensure safety. The cleanup is expected to take about a year, followed by preparations to sink the vessel upright on the Gulf floor.


The exact coordinates for the sinking site have not been finalized. However, the ship is expected to be submerged approximately 20 nautical miles south of Destin-Fort Walton Beach. This location is roughly 50 nautical miles east-south-east of Perdido Pass in Orange Beach.


Once submerged, the SS United States will rest in about 180 feet of water. Its towering structure will rise to within 60 feet of the surface, making it accessible to divers. The artificial reef is anticipated to attract various marine species, enhancing the local ecosystem.


In addition to ecological benefits, the project aims to stimulate the local economy. Officials predict increased activity for scuba shops, charter fishing boats, and hotels. The reef is expected to become a major attraction for divers worldwide.


To preserve the ship's legacy, key artifacts will be salvaged and displayed in a land-based museum. Items like the ship's bell, artwork, and engine components will be part of exhibits dedicated to its history.


The project, estimated to cost over $10 million, is funded by Okaloosa County. Despite some opposition from preservation groups, county officials believe this initiative offers a sustainable way to honor the vessel's legacy while benefiting the environment and economy.


Restoring the
SS United States for continued use has proven financially impossible. Returning it to service as a modern cruise ship would cost over $1 billion due to current safety and luxury standards. Converting it into a stationary hotel, museum, or event space would still require between $200 million and $300 million. Ongoing dock maintenance costs would add another $700,000 or more annually. No viable investor or partner has emerged to take on that burden.


The SS United States' final voyage marks a new chapter, transforming from a record-breaking ocean liner to a thriving marine habitat. The sinking is scheduled for late 2025 or early 2026, depending on the completion of preparations.


Below is a great video by Shane Reynolds about why saving this ship is cost prohibitive.

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