After nearly three decades of tied-up limbo and years of fundraising, legal fights and failed rescue plans, the SS United States has finally found a permanent home: the floor of the Gulf of Mexico.

The nearly 1,000-foot ocean liner, which still holds a place in maritime history as the fastest ever built for passengers, was deliberately sunk on Wednesday, November 11, about 22 miles off the coast of Destin, Florida. It is now the world’s largest artificial reef. Here is what happened, why it ended this way and what comes next.

How the sinking worked

According to The Guardian, the ship was put in position at around 2:40 p.m. ET on Wednesday, and the sinking process began shortly before 5 p.m. Crews had already hollowed the vessel out and cut openings into the hull so water could flow in evenly and help the ship settle upright.

Over the next several hours the liner slowly filled with water, finally reaching the bottom at around 10 p.m. BBC News reported that it was a precision operation carried out without explosives.

The ship now rests at a depth of roughly 180 feet, with its upper decks sitting about 55 feet below the surface. That shallower top section is what makes the site so attractive to recreational divers.

A record that still stands

The SS United States entered service in 1952 and set a transatlantic speed record on its maiden voyage. For 17 years it carried passengers between the United States and Europe, before being retired in 1969 as jet travel took over.

Its passenger list reads like a who’s who of the 20th century. The BBC notes that Presidents Harry Truman, Dwight Eisenhower and John F. Kennedy all traveled aboard, as did a young Bill Clinton before he entered politics. Stars including Marlon Brando, Coco Chanel, Duke Ellington, Salvador Dalí, Walt Disney, Judy Garland and Cary Grant also sailed on the ship.

Why it wasn’t saved as a museum

For most of its retirement, the liner sat at a pier in Philadelphia while different owners and supporters tried to find it a second life. Proposals to turn it into a museum or a floating hotel came and went, and none got over the finish line.

The costs of simply keeping an aging ship of that size afloat were a big part of the problem. The Guardian reports that in 2021 port authorities raised the daily dockage fee to $1,700, which the nonprofit SS United States Conservancy could no longer afford. A legal fight over the berth followed.

In 2024, Okaloosa County, Florida, bought the ship for $1 million with a plan to turn it into a reef. Last year the liner was towed from Philadelphia to Alabama for cleaning and remediation work, and on Monday it made its final trip from Alabama to the waters off Destin.

What the reef is expected to become

Artificial reefs give marine life hard surfaces to grow on and shelter in. Officials expect the ship to attract species such as red snapper, grouper, amberjack, mackerel and tuna, according to The Guardian. Okaloosa County already has dozens of artificial reefs off its coast, but none on this scale.

The county is also planning a land-based museum that tells the ship’s story, so visitors who never put on a wetsuit can still learn about its history.

A bittersweet ending for the ship’s biggest fans

Preservationists fought for years to keep the liner above water, and many were disappointed by the outcome. Still, the conservancy’s leadership has embraced the new chapter.

Conservancy president Susan Gibbs, whose grandfather William Francis Gibbs designed the ship, told The Guardian before the sinking that the vessel “will remain intact and will become a vibrant and dynamic marine habitat,” and that, together with the planned museum, the reef “will honor her history in a deeply moving way.”

She also described her grandfather’s devotion to the liner as “a full-bore obsession,” recalling that he would see it off every time it sailed for Europe and be among the first to greet it on its return.

The bottom line

The SS United States will never cross the Atlantic again, but it isn’t gone. It now sits upright on the seafloor off the Florida Panhandle, where it is expected to become both a thriving habitat and one of the most talked-about dive sites in the world. For a ship that spent decades waiting for a purpose, that is a fitting final voyage.

Image: SS United States Philly 2012-2 by Smallbones via Wikimedia Commons, CC0 1.0