An Underwater Property in Florida Is Going for $43 Million. The Developer Calls It a 'Unicorn.'The pristine parcel sits along, er, below the coveted Intercoastal Waterway in Boca Raton.

ByJonathan Small

Four acres of beautiful waterfront land in Boca Raton, Florida, is on the market for $43 million.

There's only one issue—it's largely underwater.

Image credit: William Swain via The Real Deal

Giving new meaning to the term "underwater mortgage," real estate manager William Swaim of Waterfront ICW Properties is offering the submerged land for developing single-family homes.

Swaim calls the property a "unicorn" due to its location and relatively inexpensive price tag. The parcel sits along the Intracoastal Waterway, a series of inlets and canals that wealthy residents use to dock their boats and yachts. Home prices in the area have appreciated monthly bymore than 10 percentover the past 18 months. A mansion can go for as much as$18 milliona pop.

Swaim, who specializes in buying and reselling flooded land, said the area is the"last and largest undeveloped Boca Raton Intracoastal property for sale in 30 years."

But he also warns that anyone buying the property will have their work cut out for them.

"Submerged parcels are a headache," Swaim toldThe Palm Beach Post. "It takes years to clean them up, and most people don't want to take years to clean them up."

His company will build a seawall and fill the dirt for an additional $3.5 million.

Why is the property underwater?

Swaim's land wasn't always beneath the sea. The property was above ground until 1957, but an apparently greedy neighbor stole the dirt to build a nearby subdivision, Swaim toldThe Post.

Some local activists are concerned that overdeveloping properties such as these can harm wildlife.

"Manatees are dying at record rates because of impacts to their habitat, and increasing development on submerged lands is only going to compound that problem," said Everglades Law Center Executive Director Lisa Interlandi.

But a 2018 Army Corps review concluded that developing the land would not adversely affect endangered and threatened sea turtles, smalltooth sawfish, or manatees.

Jonathan Small

Entrepreneur Staff

Editor in Chief of Green Entrepreneur

Jonathan Small is editor-in-chief ofGreen Entrepreneur, a vertical from Entrepreneur Media focused on the intersection of sustainability and business. He is also an award-winning journalist, producer, and podcast host of the upcoming True Crime series, Dirty Money, andWrite About Nowpodcasts. Jonathan is the founder ofStrike Fire Productions, a premium podcast production company. He had held editing positions atGlamour,Stuff,Fitness, andTwistMagazines. His stories have appeared inThe New York Times, TV Guide,Cosmo,Details, andGood Housekeeping. Previously, Jonathan served as VP of Content for the GSN (the Game Show Network), where he produced original digital video series.

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