Watch Reef Builders

Facing the loss of an entire ecosystem in a single generation, a team of coastal communities and marine biologists have proven the improbable by restoring a vibrant coral reef in Indonesia. Now, battling time, deep waters, harsh currents and accelerating climate change, can their efforts pay off on a global scale, before our coral reefs disappear for good, and humanity is left to pay the price?

Reef Builders is a 2025 documentary with a runtime of 1 hour and 16 minutes. It has received mostly positive reviews from critics and viewers, who have given it an IMDb score of 7.7.