The 11th Circuit Court of Appeals ruled Tuesday that Florida’s Everglades immigration detention center, the facility critics have dubbed “Alligator Alcatraz”, can remain open, reversing a lower-court order that would have forced the site to wind down operations over alleged violations of federal environmental law.
The 2-1 decision hinged on a straightforward question: who built the facility, and who controls it? The majority said Florida did, on Florida’s dime, on Florida’s land. That answer cut the legs out from under the environmental groups’ central argument, that the federal government should have conducted an environmental impact review before the facility went up.
The ruling hands a clear win to Gov. Ron DeSantis, whose administration constructed the detention center last year at the Dade-Collier Training and Transition Airport site to support President Donald Trump’s immigration enforcement agenda. It also keeps operational a facility that environmental organizations and the dissenting judge argued was dropped into one of the most ecologically sensitive landscapes in the country without basic review.
The appellate majority found the state-run facility was not under federal control and therefore fell outside the reach of the National Environmental Policy Act, or NEPA, the federal law requiring agencies to assess environmental impacts before major actions. As Fox News reported, the court noted that Florida had received no federal reimbursement at the time U.S. District Judge Kathleen Williams issued her preliminary injunction ordering the facility to gradually shut down.
“Florida, not federal, officials constructed the facility. They control the land and ‘entirely’ built the facility at state expense.”
That was the majority’s bottom line. The facility sits on state land. Florida paid for it. Florida runs it. Under that reading, NEPA simply does not apply.
Judge Nancy Abudu, the lone dissenter, saw it differently. She argued that immigration detention is by definition a federal function, and that the federal government cannot dodge environmental obligations just because a state physically poured the concrete.
“The facility would not, and could not, have been built and used as an immigration detention center without the federal defendants’ request.”
Abudu pressed further, writing that “the evidence of federal control perhaps is most apparent when we acknowledge that immigration remains uniquely and exclusively within the federal government’s domain.” Her dissent frames the case as one where the federal government effectively outsourced construction to sidestep its own environmental rules.
That argument did not carry the panel. But it signals the legal theory environmental groups will likely push as the case returns to the district court level.
The appeals court’s ruling effectively dismantles a preliminary injunction Williams issued last year. Williams had found that a federal reimbursement plan for the facility had effectively already been arranged, which in her view brought the project under NEPA’s umbrella. She ordered a gradual winding down of operations.
The 11th Circuit paused that order just days after it came down in August, pending a hearing held earlier this month. Tuesday’s decision made the stay stick, and went further.
Judge Barbara Lagoa, writing for the majority, questioned the scope of Williams’ order. As the New York Post reported, Lagoa wrote: “It is entirely unclear to us, moreover, how the district court concluded that it could order the proactive dismantling of the Facility by way of a mandatory preliminary injunction.” The lower court had required utilities and supporting infrastructure to be removed within 60 days and banned the transfer of additional detainees to the site.
The appeals panel blocked both provisions. It also stopped Williams from proceeding with the underlying case while the appeal is pending, a move that effectively freezes the litigation and leaves the facility fully operational in the meantime. The broader fight over immigration enforcement funding and policy continues to play out across multiple fronts in Washington.
Florida Attorney General James Uthmeier framed the decision as a total shutout. As Just The News reported, Uthmeier wrote: “The 11th Circuit not only blocked Judge Williams’ order to close Alligator Alcatraz, but they blocked her from proceeding with the case until the appeal is complete.”
DeSantis wasted no time claiming the win. As Breitbart reported, the governor said the facility has continued detaining and deporting illegal immigrants throughout the legal fight.
“Alligator Alcatraz is, in fact, like we’ve always said, open for business. The mission continues, and we’re going to continue leading the way when it comes to immigration enforcement.”
The facility, located at the old Dade-Collier Training Airport deep in the Everglades, is expected to hold up to 5,000 people. Florida officials have also built a second immigration detention center in northern Florida, though details on that site remain limited.
The case is one of several high-profile court battles over the Trump administration’s immigration enforcement strategy. In each, the pattern is familiar: the administration or a cooperating state acts, a district judge intervenes, and an appeals court weighs in, sometimes siding with the government, sometimes not.
Friends of the Everglades and the Center for Biological Diversity, the two groups that brought the original lawsuit, said they intend to press forward as the case returns to Williams for further litigation.
Eve Samples, executive director of Friends of the Everglades, issued a statement calling the facility a reckless project built in haste.
“Alligator Alcatraz was hastily erected in one of the most fragile ecosystems in the country without the most basic environmental review at immense human and ecological cost.”
Samples added: “This fight is far from over.” The groups’ legal theory, that NEPA applies because the federal government requested and ultimately benefits from the facility, will get another hearing at the district court level. But with the appeals court’s 2-1 decision now on the books, the environmental groups face a steep climb.
The facility sits in an area surrounded by protected wetlands within the Everglades ecosystem, according to court filings. That location has been the emotional center of the opposition’s case. Whether it becomes the legal center depends on how Williams and the 11th Circuit handle the next round.
Separate from the environmental dispute, a lawyer for two migrants detained at the facility raised serious allegations in a court declaration filed earlier this month. Katherine Blankenship said guards severely beat and pepper-sprayed detainees, causing injuries to heads, shoulders, and wrists.
“The officers beat several people during this incident and broke another detained individual’s wrist.”
Those claims have not been adjudicated. But they add a layer to the ongoing controversy surrounding the facility and will likely surface again as the case moves forward. Across the country, questions about how the federal government and cooperating states handle immigration detention continue to generate legal and political conflict, from federal prosecution decisions to broader debates over enforcement authority.
The case now returns to Judge Williams, though the appeals court’s order prevents her from moving forward until the appeal is fully resolved. That means the facility stays open, keeps receiving detainees, and continues operating at state expense, at least for now.
The legal question at the heart of the dispute, whether a state can build and run an immigration detention center without triggering federal environmental review, remains unresolved in any final sense. The 11th Circuit’s majority said yes, at least at this stage. The dissent said the answer is obviously no. Other courts watching this case may eventually weigh in. Meanwhile, federal judges across the country continue to shape the boundaries of executive authority on a case-by-case basis.
For the environmental groups, the road ahead is long and uphill. For Florida and the Trump administration, the facility stands, built by the state, funded by the state, and now defended by the federal appeals court that matters most.
When a state steps up to enforce the laws the federal government wrote, and the courts let it stand, that ought to tell you something about who is actually doing the work.
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