Off the coast of Miami Beach, a strange new reef is being built. Instead of coral heads, divers will first see a lineup of 3D-printed concrete cars, dropped to the seafloor by artist Leandro Erlich.
It’s part of the ReefLine, an underwater art park designed to double as living habitat. The park includes a number of other forms, from a star-shaped reef, to one shaped like a biological heart.

Image courtesy of Leandro Erlich and Kreemart.
“This submerged reincarnation of Leandro Erlich’s celebrated Order of Importance (2019), will install a life-size, traffic jam of twenty-two concrete car modules for sealife to colonize. Symbolically reversing the effect our actual cars have on the environment, these sculptures will contribute to restoring damaged natural habitats.“

Art Meets Ecology
The concrete sculptures aren’t just mesmerizing visual tricks. Their rough, porous surfaces are engineered to attract coral growth, fish, and other marine life.
Over time, the cars and other forms will blur into the reef, slowly claimed by the ocean.

The rendered view of the Miami Reef Star from a plane,
Why It Matters
Reefs everywhere are under assault. Rising sea temperatures bleach coral. Pollution and acidification weaken what survives.
Scientists warn that without major help, most reefs could disappear this century. That’s a crisis not just for beauty, but for biodiversity and coastal protection.

A Bold Test
Miami, on the front lines of climate change, is trying something new. The ReefLine won’t replace natural reefs, but it could give them a fighting chance.

By combining art and marine science, it keeps the issue visible—and maybe buys nature time to recover.

Reefs are nature’s skyscrapers. Without them, oceans go quiet. With them, life multiplies. Miami’s underwater cars are a reminder that saving reefs will take creativity as well as urgency.
Images © Copyright The Reefline.
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