Measurement, Reporting & Transparency

Honest numbers.
Lasting change.

We benchmark our progress through measurable KPIs — monitored annually and shared publicly through our Annual Sustainability Report and across our resorts.

Annual KPIs · 2025

The four metrics we live by.

12,400+
Coral fragments planted

Across active reef nursery sites.

38%
Energy from solar

Renewable share of resort operations.

100%
Single-use plastic eliminated

Across guest-facing touchpoints.

87%
Guests engaged

In at least one sustainability programme.

Reef Health Index

Reef recovery, year on year.

A composite of coral cover, fish density and water quality measured at our flagship nursery sites — recovering steadily since baseline measurement in 2021.

2021

42
2022

51
2023

63
2024

71
2025

78

Index 0–100 · 2025 figure to be finalised in Annual Report.

Key KPIs

What we measure.

Coral growth & reef health

Fragment survival rate, coral cover %, fish density, water quality.

Energy savings & renewables

Solar generation (kWh), CO₂ avoided, share of energy mix.

Water production & efficiency

Desalinated water output, glass bottles refilled, plastic avoided.

Guest engagement

Guests participating in programmes; satisfaction; repeat visits.

Partnerships & Certifications

Strengthened through global collaboration.

Our sustainability programme is strengthened through global and regional collaborations. These partnerships ensure rigorous standards, scientific credibility, and community alignment.

  • Travelife Gold Certification
    All Sun Siyam properties
  • World Bank PLEASE Project
    Plastic recycling and waste reduction
  • Elephant Transit Home, Sri Lanka
    Wildlife rehabilitation partnership
  • Local councils & NGOs
    Island councils, marine conservation bodies

Transparency

An Annual Sustainability Report, published every year.

Shared in-resort and online to ensure transparency. The 2025 report is in production and will be published Q3 2026.

Get notified when it’s live

Numbers are nothing without action.

Discover how guests, partners and team members all play a part.

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