Coral reefs are among the world's most valuable ecosystems, yet they are also among the most vulnerable. Rising sea temperatures, coral bleaching, coastal development and pollution continue to threaten reefs across the globe, making innovative restoration approaches more important than ever.

At Anantara Dhigu Maldives Resort, a new initiative called Theyra Maa, meaning 13 Flowers in Dhivehi, demonstrates how technology, science and nature can work together to help restore these fragile ecosystems. Developed in collaboration with Swiss marine restoration specialists rrreefs, and supported by Edelweiss and help alliance, the project represents a new generation of reef restoration that blends advanced engineering with marine biology to create habitats designed for life.

Inspired by Nature, Engineered for Life

Unlike traditional artificial reefs that often prioritise structural stability alone, Theyra Maa was designed with ecological function at its core.

The installation consists of thirteen large flower-shaped reef structures produced using state-of-the-art 3D printing technology. While the design is visually striking, every curve and cavity serves a biological purpose. The flower-like geometry creates gentle water movement around the structures, improving the settlement of coral larvae, while the intricate layered texture of the printed clay provides countless sheltered microhabitats where young corals can establish themselves away from predators. Carefully engineered porosity also encourages the development of beneficial biofilms, the first living layer that prepares a surface for successful coral recruitment.

This is where marine biology and engineering become inseparable. The structures are not simply placed underwater; they are designed to actively support the natural processes that drive reef recovery.

Sustainable Materials for Long-Term Restoration

Material selection is equally important.

Rather than relying primarily on conventional concrete, Theyra Maa uses terracotta clay as its principal construction material, reinforced only where necessary with steel and minimal concrete to ensure long-term structural integrity. Terracotta is a natural, durable material whose texture closely resembles the complexity of natural reef substrate, making it particularly suitable for marine colonisation while reducing the environmental footprint of the installation.

The project demonstrates that sustainability extends beyond the restoration goal itself; it also lies in how restoration infrastructure is designed and built.

Science Beyond Coral Planting

Successful reef restoration is about much more than attaching coral fragments to underwater structures.

Marine biologists understand that healthy reefs depend on a complex interaction between water flow, microbial communities, settlement surfaces, fish populations and coral recruitment. The Theyra Maa installation was therefore designed as an ecosystem, creating conditions that benefit not only transplanted corals but also reef fish, invertebrates and the countless organisms that contribute to a functioning reef community.

As the structures mature, they are expected to become living habitats that continue evolving naturally, supporting biodiversity while increasing the resilience of the surrounding lagoon.

A New Chapter in Regenerative Tourism

Projects like Theyra Maa also reflect a broader shift in hospitality—from reducing environmental impacts to actively contributing to ecosystem recovery.

The installation complements Anantara Dhigu's long-standing marine conservation programme, including the Holistic Approach to Reef Protection (HARP), coral nurseries, guest coral adoption experiences, marine education and biodiversity monitoring. Together, these initiatives invite guests to become active participants in conservation rather than passive observers, creating meaningful connections with the underwater world while supporting long-term reef restoration.

Innovation with Purpose

The challenges facing coral reefs cannot be solved by marine biology alone, nor by technology in isolation.

They require collaboration between scientists, engineers, designers, conservationists and industry partners who share a common vision. Theyra Maa illustrates how these disciplines can converge to create restoration solutions that are scientifically informed, technologically advanced and environmentally responsible.

As climate change continues to reshape marine ecosystems, initiatives like Theyra Maa remind us that innovation is most powerful when it works with nature rather than attempting to replace it. By combining sustainable materials, cutting-edge manufacturing and ecological expertise, this project offers a hopeful example of how restoration can become smarter, more resilient and better equipped to support the reefs of tomorrow.