Challenges

The coral reefs of Central America and the Caribbean face accelerated degradation due to climate change, unsustainable coastal development, and marine pollution. In Honduras, Costa Rica, and the Dominican Republic, significant coral mortality has been recorded over recent decades, threatening biodiversity and the livelihoods of coastal communities. Despite isolated restoration efforts, a lack of coordination, capacity, and shared methodologies limited impact. There was an urgent need for a scalable, regionally coordinated restoration initiative that could accelerate reef recovery and promote sustainable marine management. In response, the partners built upon a prior bilateral effort and scaled it into a regional triangular cooperation, focusing on the transfer of innovative reef restoration tools and large-scale, volunteer-based coral transplanting campaigns under the “CORALMANIA” banner.

Toward a Solution

It is a regional initiative that demonstrates how triangular cooperation can be leveraged to address marine ecosystem degradation through collaborative, scalable restoration strategies. It originated from a successful bilateral project between Costa Rica and the Dominican Republic and was expanded regionally to include Honduras as the primary beneficiary, with technical support from the original partners and facilitation by Germany through GIZ.

The initiative’s core objective was to enhance coral reef restoration capacity in the Mesoamerican region through joint knowledge exchange, capacity building, and coordinated mass coral transplant campaigns. It aimed to strengthen reef conservation networks, improve technical skills, and foster institutional frameworks that ensure sustainability.

CORALMANIA used a participatory approach. Technical teams from all three countries co-designed methodologies, shared experiences, and conducted joint training sessions on coral microfragmentation, nursery management, and assisted reproduction. The campaign culminated in synchronized mass coral transplant events across the region. These were not only scientific endeavors but also social mobilization efforts: more than 138 volunteers, including divers, local NGOs, and tourism businesses, participated in transplanting over 2,579 coral fragments, exceeding the original target of 1,800.

This model enabled effective knowledge transfer through a triangular cooperation approach. The Dominican Republic contributed 15+ years of reef restoration experience, Costa Rica shared monitoring tools and legal frameworks, and Honduras applied these for the first time. Germany, as facilitator, supported coordination and ensured a horizontal, demand-driven exchange that strengthened mutual learning and institutional ties.

Outcomes from CORALMANIA have been significant. Not only did the campaign restore reef areas across multiple sites in the three countries (e.g., Bayahibe, Roatán, Utila, Cayos Cochinos, Bahía Culebra), but it also catalyzed the formation of coral restoration networks in Costa Rica and Honduras and improved policy environments, including Honduras’ draft National Coral Restoration Plan and Costa Rica’s Artificial Reef Guidelines.

Innovation was central to the initiative. The use of microfragmentation and assisted sexual coral reproduction—techniques previously underutilized in the region—accelerated coral growth and survival. The integration of volunteer divers from communities and the tourism sector introduced a cost-effective and socially embedded restoration model. These techniques, when combined with regional coordination and data-sharing platforms, provided a competitive edge and increased efficiency.

Sustainability is embedded in the initiative’s design. Through training, institutional partnerships, and national plans, each country is now better equipped to manage reef restoration independently. The establishment of community-supported coral nurseries and national coral restoration platforms ensures that the momentum continues. Private sector engagement also opens doors for long-term financing models.

CORALMANIA is highly replicable. Its low-cost, participatory design makes it accessible to other coastal nations facing similar reef degradation. Clear protocols, training materials, and implementation guides have been produced, and partner countries are now advising others in the Caribbean on launching similar campaigns.

Key lessons include the importance of regional coordination, the power of volunteerism, and the value of combining traditional conservation methods with innovative, science-based tools. Moreover, flexible project design that adapts to local contexts—such as through national regulatory frameworks and customized nursery structures—was critical to success.