Beneath the warm waters off Jamaica's northern coast, underwater speakers are broadcasting the sounds of healthy coral reefs 14 hours a day, powered by solar panels floating at the surface. Marco Barotti, a Berlin-based Italian sound artist, has designed 3D-scanned coral sculptures that house waterproof speakers playing recorded reef sounds into the ocean—a fusion of art and marine science that sounds almost poetic because, in many ways, it is.
Healthy coral reefs are anything but silent. They hum and click and pulse with the sounds of fish, shrimp, and countless other creatures. But as ocean temperatures have surged due to the climate crisis, bleaching events have swept across the world's reefs, leaving behind ghostly white skeletons and an unsettling quiet. When a reef goes silent, marine life stops coming. And when marine life stops coming, the reef continues to die. This cycle of silence and decline is precisely what Barotti's project aims to interrupt.
The idea came from research suggesting that broadcasting healthy reef sounds could attract fish and coral larvae back to damaged areas. That spark of insight took Barotti from Italy to Jamaica, where he's now collaborating with marine researchers at the Alligator Head Foundation. The data is encouraging: a similar acoustic experiment conducted on the Great Barrier Reef saw fish populations double within just six weeks, according to Climate Central.
The work extends beyond sound alone. At the Alligator Head Foundation, marine researchers are simultaneously growing coral fragments in labs and exploring assisted reproduction to help reefs replenish themselves when natural breeding has broken down. The strategy is layered: coral sculptures become reef structures, fragments grow into colonies, and sound draws in the wildlife needed to sustain it all. It's a deeply human response to a crisis unfolding in slow motion under the waves.
The urgency is real. Since 1950, the world has lost roughly half of its coral reefs to overfishing, pollution, and warming seas. These ecosystems cover just one percent of the ocean floor, yet they support a quarter of all marine life and protect coastlines from powerful storms. The stakes could not be higher—reefs are not a luxury feature of our oceans but rather a foundation of their health.
What makes this Jamaica project particularly striking is how it weaponizes creativity itself. Art isn't being added to conservation as an afterthought; it's central to the mechanism. Barotti's sculptures are functional infrastructure, but they're also beautiful objects that transform our relationship to the work being done. They remind us that healing ecosystems doesn't require choosing between science and imagination, between data and wonder.
Projects like this one don't erase the scale of the crisis, nor do they suggest that art alone will save the reefs. But they do remind us that hope, ingenuity, and even beauty still have a role to play in restoration. As bleached reefs around the world face an uncertain future, Jamaica's underwater soundscape offers a quiet but determined answer: we still know how to listen, and we still know how to try.