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Secret tunnels exist below this Florida city. But you won’t be able to find them

‘During Prohibition, Ybor City was kind of wide open’

Researchers explore the tunnels below Ybor City (Photo Credit: Center for Digital Heritage in the USF Libraries) (Center for Digital Heritage in the USF Libraries)

TAMPA, Fla. – Below Ybor City in the Tampa area exists a series of tunnels, though most residents have likely never seen them — or even know they’re there.

For decades, the tunnels — an estimated two or three in total — are rumored to have been used for smuggling alcohol throughout the area during Prohibition.

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Given that Tampa was once infamous for its mafia families, that’s not a baseless guess.

1915 fire insurance map showing areas with tunnels -- from USF's "Tampa Through Time" project (Photo Credit: Center for Digital Heritage in the USF Libraries) (Center for Digital Heritage in the USF Libraries)

While the city has no maps of the tunnel systems, some people believe that one of them extends all the way to the Port of Tampa.

But nowadays, there’s little way to know for sure.

City officials told News 6 that one of the last known access points for the tunnels — under a Blue Ribbon grocery store near 7th Avenue and 15th Street — burned down in 2001. In its place now sits a parking lot.

However, another entry point was uncovered back in 2018 during a construction project near an old bottling factory, according to FOX 13.

Shortly thereafter, researchers with the University of South Florida came out to map the tunnels while they were still open and available.

Views from inside of the exposed tunnel (Photo Credit: Center for Digital Heritage in the USF Libraries) (Center for Digital Heritage in the USF Libraries)

According to one such researcher — Dr. Lori Collins with USF’s Center for Digital Heritage — the tunnels barely gave them room to stand.

“These are quite substantial,” she told News 6. “I mean, you can stand up and maybe bend over a little bit, depending on how tall you are. But you can certainly travel through them.”

One of the researchers hunched over while helping map the interior of the tunnel (Photo Credit: Center for Digital Heritage in the USF Libraries) (Center for Digital Heritage in the USF Libraries)

Using a type of laser scanning, the researchers created partial 3D maps of the tunnel, showing its layout as compared to the nearby dig site and buildings.

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The dig site where the tunnel was unearthed in 2018 near East 6th Avenue (Photo Credit: Center for Digital Heritage in the USF Libraries) (Center for Digital Heritage in the USF Libraries)
A 3D map of the tunnel created by researchers (Photo Credit: Center for Digital Heritage in the USF Libraries) (Center for Digital Heritage in the USF Libraries)
Another 3D map of the tunnel researched by experts from USF. This image shows the nearby buildings superimposed over a 2D map of the area. (Photo Credit: Center for Digital Heritage in the USF Libraries) (Center for Digital Heritage in the USF Libraries)

During their exploration, they even came across a spring inside, which was documented roughly a century ago.

“When we went into the one tunnel — all the way to the back end of it — we knew that there had been mapped an artesian well nearby,” Collins explained. “And we did find where it was bubbling up inside the actual tunnel space today.”

The tunnel exists near where a bottling plant and ice house once stood. Places like ice houses were usually located near springs, which acted as a water source. Researchers also found bottles near the dig site where the tunnel was unearthed. (Photo Credit: Center for Digital Heritage in the USF Libraries) (Center for Digital Heritage in the USF Libraries)

But the question remains: what were these tunnels actually used for?

All of the bottles that researchers found at the site might indicate the smuggling theory is true, but Rodney Kite-Powell with the Tampa Bay History Center said that’s likely not the case.

“During Prohibition, Ybor City was kind of wide open, and the police were all corrupted by the organized crime that was here,” he said. “So to go through the effort of moving alcohol under the tunnels would have been not really necessary.”

A now-sealed entrance to one of Ybor City's underground tunnels (Photo Credit: Rodney Kite-Powell) (Rodney Kite-Powell)

While other theories posit that the tunnels could have been used to transport illegal immigrants, Kite-Powell stated that there wasn’t any way to know for sure.

The tunnel at the Blue Ribbon grocery store might have been used to transport money, though.

“Allegedly, that tunnel connected to one of the first cigar factories — Ybor Cigar Factory — for whom the city’s named,” Kite-Powell said. “And so it may have been a way to move cash around in the very early years before Sydney because it was kind of lawless.”

Meanwhile, the tunnel that USF researchers examined might have been used as something less-than-savory.

“They likely were originally built as sewer tunnels, the first kind of proper sewer system, and they’re a little bit smaller,” he explained. “And then the one that I’ve actually been in: that curious system was abandoned in the late 1900s or so, maybe 1920s.”

Additional photos taken by Rodney Kite-Powell of tunnel entrances (Photo Credit: Rodney Kite-Powell) (Rodney Kite-Powell)

Regardless, there are no entry points available to the public, so these tunnels will remain a mystery for the foreseeable future.


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