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From Inspiration to Action: Implementing Reef Star in Alor

May 26

4 min read

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Globally, coral reef destruction is now a serious issue-not only because of the threat to marine biodiversity, but also because of the impact on livelihoods, such as fishing, tourism, and coastal resilience. When natural conservation efforts are not enough to stop the destruction, active intervention becomes essential. This is where technology such as Reef Star, developed by MARS Sustainable Solutions (MSS), comes in as one of the answers.




Reef Star configuration featuring attached coral fragments (Source: Buildingcoral.com)
Reef Star configuration featuring attached coral fragments (Source: Buildingcoral.com)
The Reef Star is a six-foot star-shaped structure made of a steel frame and sand-coated. Its main function is as an artificial substrate on which coral fragments are attached to accelerate reef regeneration. This design is not just aesthetic. The shape and materials were chosen to provide stability, natural surface roughness, and ease of mass installation on the seafloor. This method has been applied in various locations with significant results, such as on Bontosua Island (South Sulawesi), the Great Barrier Reef (Australia), and several spots in Indonesia. Now, it's time to consider why this method is so relevant-especially for a region like Alor.

Haries during a training session with MSS, applying protective coating to a Reef Star steel frame. (Photo by: MSS Team)
Haries during a training session with MSS, applying protective coating to a Reef Star steel frame. (Photo by: MSS Team)
No single method is suitable for all sea conditions.

Various approaches have been used in various places-from the simplest such as rockpiles using limestone, reefcake methods (flat concrete substrates), to local models such as cement “Roti Buaya” (Crocodile Bread) and so on. All these methods have their place. But in the context of our needs in Alor-the dynamic oceanographic factors, the type of damage being done and the limited resources, Reef Star offers a solution that is quick to implement, structurally stable and allows for direct community engagement.


Why We Chose Reef Star


  1. A Scalable Response to a Growing Crisis

    We are facing the reality of ongoing coral reef degradation. While traditional coral transplantation methods remain important, they are often only effective at a small scale or for educational purposes. Reef Star offers a scalable solution—in a short amount of time, hundreds or even thousands of units can be deployed by trained local teams, creating a coral "platform" as wide as a football field within weeks.


  2. Faster and More Efficient Through Structured Propagation

    Reef Star allows us to conduct active and systematic coral propagation. Coral fragments can be directly tied onto the structure, and Reef Star units are installed on the seabed quickly and in an organized manner. Compared to simpler methods like rockpiles or “roti buaya” (lit. “crocodile bread,” a flat concrete mold used locally), which rely on natural attachment, Reef Star is more efficient in terms of time, labor, and space. In a relatively short period, large-scale rehabilitation areas can be established—an essential factor in regions where access is limited and degradation is extensive.


  3. Stable in Strong Currents Like Those in Alor

    Reef Star is designed to withstand strong ocean currents—a common characteristic of Alor’s waters. Its interlocking legs form a stable structure when arranged in large numbers, making it resistant to shifting even without heavy anchoring. This physical durability makes it suitable for complex oceanographic environments.


  4. Inspired by Proven Best Practices from MSS

    We didn't just read about Reef Star in theory—we witnessed it firsthand through Mars Sustainable Solutions' (MSS) implementation in South Sulawesi. We saw how this method revived damaged reef zones, restored marine biodiversity, and actively involved local communities in the process. Through direct training with the MSS team, we gained not only technical knowledge, but also inspiration and hope that this approach could be adapted to Alor. Reef Star is not just a tool; it is a story of success that can be replicated.


  5. Practical and Accessible for Local Communities

    Though not as simple as rockpile methods, Reef Star remains practical and appropriate for community use. Assembly and installation can be performed by local residents with short training sessions. In some locations, even women’s groups are involved in producing the units—opening opportunities for economic participation and social empowerment. For us, this is a major advantage. Ecosystem restoration should go hand in hand with social restoration—strengthening relationships and rebuilding trust between communities and conservation efforts.



Underwater view of Reef Star structures installed at the Molugara coral nursery as of April 2025. (Photo by : Jansen Tandi)
Underwater view of Reef Star structures installed at the Molugara coral nursery as of April 2025. (Photo by : Jansen Tandi)
Restoration Technology Must Be Contextual

In the world of conservation, we often find ourselves between two extremes: high-tech solutions that are expensive and complex, and ultra-simple methods that may lack durability. Reef Star offers a balance—strong in the sea, quick in the field, and manageable by the community. What makes it even more meaningful is its evidence-based and community-driven approach. It’s not just an underwater structure; it’s a tool for education, empowerment, and collaboration.


From Inspiration to Action

Reef Star is not a silver bullet, but it is part of the answer. We believe that, with proper adaptation, it can become an effective tool for starting coral reef recovery in Alor.

Our inspiration from MSS has motivated us to try, test, and develop this approach locally. With a spirit of collaboration and shared effort, Reef Star can serve as a bridge between destruction and hope—connecting damaged seas to a sustainable future.



A familiar sight at our Reef Star site—clownfish families regularly greet us as we return for routine maintenance. Their presence is a small reminder of the life these structures help restore. (Photo by : Jansen Tandi)
A familiar sight at our Reef Star site—clownfish families regularly greet us as we return for routine maintenance. Their presence is a small reminder of the life these structures help restore. (Photo by : Jansen Tandi)

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Comments (5)

Hal Sederhana semoga berdampak Besar 🙏

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Airy
May 26

Keep up the spirit, friends at Nautika Foundation! 🔥

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Replying to

Thank you for your kind words! Your support means a lot to us 🙏 🪸

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Martha
May 26

Very inspiring — I hope to one day be able to contribute to the actions you're taking.

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Replying to

Thank you! We’re inspired by your support and hope to collaborate with you in the future. 😊

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Yayasan Nautika Indonesia Prakasa

Alamat: Jalan Kalabahi - Kokar RT 4 / RW 2, Dusun 1, Desa Alor Besar, Kecamatan Alor Barat Laut, Kabupaten Alor, Nusa Tenggara Timur 85851

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