SS United States artificial reef to sink off Florida coast

Okaloosa County, Florida, expects to sink the SS United States artificial reef during the second week of November, weather permitting, about 22 nautical miles southwest of Destin. County officials said the retired ocean liner will rest upright on the Gulf floor and become the largest artificial reef in the world, a project pitched as a draw for divers, anglers, and coastal businesses. The county confirmed the window in an October announcement, after remediation work on the ship was finished and final approvals were granted.

The vessel was built for speed. On her maiden voyage in July 1952, the liner crossed the Atlantic in 3 days, 10 hours and 40 minutes, averaging 35.59 knots and taking the Blue Riband for the fastest passenger crossing. The record still stands. Margaret Truman, daughter of President Harry Truman, joined that maiden voyage, and later passengers included Marilyn Monroe, Walt Disney, Cary Grant, and other presidents, film stars, and royalty.

That career ended in 1969, after 17 years of service, and the liner spent decades berthed in Philadelphia while preservation groups searched for a way to save her. Rising maintenance costs ended those hopes. Okaloosa County bought the ship for $1 million, and a tow took her from Philadelphia on February 19, 2025, bound for Mobile, Alabama, where crews prepared her for reefing.

Before any sinking date could be set, crews finished the remediation work and the county secured its final approvals. CruiseHive reported that the county confirmed all remediation work complete, with weather left as the main variable for the exact date. The preparation stage also answered the environmental questions that had shadowed the plan, with regulators signing off before the county set its November window.

A reef built for divers and fish

Once sunk, the SS United States artificial reef will sit in about 180 feet of water, with the upper deck roughly 55 feet below the surface. At 990 feet long, the hull will pass the 888-foot USS Oriskany, sunk off Pensacola in 2006, as the largest artificial reef ever created from a ship. Divers will be able to explore different levels of the wreck, while fish, corals, and other marine life colonize the steel over time.

The sinking itself will use no explosives. Crews will open the hull to seawater and let the ship settle over several hours, a method county officials described as controlled and deliberate. The sinking of the SS United States artificial reef will be live-streamed, according to the SS United States Conservancy, so people who cannot travel to the Gulf can watch the final descent.

What stays on land, and what comes next

Not every part of the ship goes down with her. The Conservancy is building a land-based museum near the departure points for future dive tours, using the ship's tall funnels, radar mast, and salvaged artwork and artifacts. The museum keeps a piece of the liner accessible to visitors headed to the SS United States artificial reef who never put on a tank, and it gives the ship's history a home on shore while the hull starts a second life underwater.

Tourism officials in Okaloosa County expect the SS United States artificial reef to join more than 500 existing artificial reefs in the region and stand out as the signature dive in the area. Dive shops, fishing charters, and hotels along the Emerald Coast are counting on a steady flow of visitors, and county officials have said the reef could generate millions of dollars a year for local businesses.

The plan has faced scrutiny. Environmental groups raised concerns about the vessel's zinc chromate primer and the risk of contamination in the Gulf, and a federal lawsuit sought to stop the sinking. The lawsuit was dismissed, and the county has said the SS United States artificial reef project satisfies federal environmental rules, with the Army Corps of Engineers issuing final approval that the Environmental Protection Agency did not oppose, according to CruiseHive.

For now, the ship waits for a weather window. When the tow moves into position southwest of Destin-Fort Walton Beach, crews will begin the final sequence, and the SS United States artificial reef will rest on the seafloor, where marine life will gradually cover the hull. Sources: TBS News, CruiseHive, Interesting Engineering.