Historic SS United States Sets Sail for Its New Life as the Largest Artificial Reef

The iconic SS United States, a hallmark of transatlantic maritime history, is embarking on its final expedition. After nearly three decades moored in Philadelphia, this renowned ocean liner is en route to Florida, where it will be transformed into the globe’s most extensive artificial reef.

Setting Course for Florida’s Waters

On February 19, 2025, the SS United States left its longtime home along the Delaware River in Philadelphia, heading toward Mobile, Alabama. There, it will undergo final preparations before being deliberately sunk, according to the Associated Press. This departure also resolves a protracted dispute over docking charges and addresses safety concerns from the U.S. Coast Guard about the vessel’s worsening state.

Following completion of the refurbishment, the ship will be towed to Okaloosa County, Florida, and intentionally sunk to serve as a centerpiece for the area’s artificial reef network. The entire endeavor—including cleaning, transport, and sinking—is projected to take about 18 months.

Add Cosmo Herald as a Preferred Source

The SS United States is towed down the Delaware River between Pennsylvania and New Jersey, from Philadelphia, Wednesday, Feb. 19, 2025. (AP Photo/Matt Rourke)

A Unique Dive Destination and Economic Driver

Investing over $10 million, Okaloosa County aims to revive the SS United States as an exceptional underwater landmark. Once sunk, it will integrate with more than 500 artificial reefs that foster marine ecosystems while drawing divers and anglers from across the globe.

Officials are optimistic that this initiative will significantly boost local tourism revenue, benefiting dive operators, fishing businesses, and nearby accommodations.

A Maritime Legend Known for Its Speed

Launched in 1952, the SS United States stands out not only for its massive scale—measuring 273 meters in length and 30 meters wide, surpassing the Titanic—but also for its record-setting speed. On its inaugural voyage, it shattered crossing time records by completing the Atlantic trip in three days, ten hours, and forty minutes, averaging 36 knots (66 km/h).

Throughout its career, the ship hosted prominent figures, including Presidents Harry Truman, Dwight Eisenhower, and John Kennedy, alongside legends like Coco Chanel, Marilyn Monroe, and Walt Disney. Crafted by naval architect William Francis Gibbs, the vessel represented a peak in American maritime design during the heyday of ocean travel.

From Threatened Demolition to Marine Preservation

After its retirement in 1969, the SS United States faced several failed attempts at conversion, including concepts for a floating hotel and museum. The ship’s advancing decay sparked legal battles and, eventually, a federal directive to vacate its Philadelphia berth.

Confronted with demolition, the nonprofit SS United States Conservancy accepted Okaloosa County’s offer to save the vessel. Instead of being dismantled, this historic liner will gain new purpose as an underwater sanctuary and a distinctive attraction for visitors.