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BIOROCK IN ACTION
BioRock is an innovative marine restoration technology that uses safe, low-voltage electrical current passed through a submerged steel structure. This encourages naturally occurring minerals in seawater to form a limestone-like coating. The process may provide favourable conditions for coral growth and recovery. The Eden Rock pilot will help assess how the technology performs in Cayman waters.
The Method
- Installation: A low-profile steel structure is secured to suitable seabed substrate, subject to Coastal Works Permit approval.
- Mineral Accretion: A low-voltage electrical current encourages naturally occurring minerals in seawater to form a limestone-like coating.
- Monitoring: The project will document changes to the structure and surrounding marine environment to evaluate performance under Cayman conditions.
- Learning: Findings will be shared with local marine specialists, divers and the wider community.
THE PROJECT JOURNEY
From initial site assessment to ongoing ecological monitoring, the Eden BioRock pilot follows a structured, scientific rollout.
Education
- Phase 1 - Surveying & Permitting: Site assessment, baseline observations and regulatory approvals.
- Phase 2 - Installation: Installing the BioRock structure and low-voltage system, subject to the required approvals.
- Phase 3 - Training & Engagement: Building local expertise through diver trainier, apprentices and community outreach.
- Phase 4 - Monitoring & Learning: Evaluating performance, documenting results and sharing findings with Cayman.
MEET THE TEAM
Ziva Costa
Project Lead
An 11th-generation Caymanian and passionate marine advocate, Ziva leads the Eden Rock BioRock Pilot, coordinating project activities, monitoring and community engagement. She is committed to protecting Cayman's reefs and building local knowledge and skills for future marine conservation.
Dr. Tom Goreau
Scientific & Technical Adviser
Dr. Tom Goreau is President of the Global Coral Reef Alliance and a pioneer of BioRock mineral accretion technology. An internationally recognised marine scientist, he brings decades of coral reef research and restoration experience to the pilot, providing specialist technical guidance and supporting local training.
Project PARTNERS & FUNDING
Led by Sustainable Cayman in partnership with Global Coral Reef Alliance and Eden Rock Dive Center. Funded by a Darwin Plus Local Grant.