Great choice — the Maldives has several high-end resorts that pair true luxury with measurable sustainability work. Below are top eco-friendly luxury resorts (with what they do, why they’re luxurious, and sources):

1. Soneva Fushi & Soneva Jani — Noonu & Baa/Noonu area

• Sustainability: long-running “Waste‑to‑Wealth” recycling/upcycling program, large on‑island desalination and reusable glass water, extensive solar deployments (aiming to supply ~40–50%+ of electricity) and carbon‑neutral operations/levy used for offsets and community programs. (soneva.com)
• Luxury: ultra‑private villa designs, family programs, fine dining and wellness experiences; very high service and privacy.

2. Six Senses Laamu — Laamu Atoll

• Sustainability: hosts the Sea Hub of Environmental Learning (SHELL) and the Maldives Underwater Initiative; large, ongoing coral propagation, seagrass protection and community education programs. Six Senses publishes marine survey and restoration metrics. (sixsenses.com)
• Luxury: Six Senses barefoot‑luxury style, overwater villas, award‑winning spa and immersive conservation experiences.

3. Gili Lankanfushi — North Malé / Lankanfushi area

• Sustainability: awarded EarthCheck Gold (March 2025) for sustained environmental benchmarks; on‑island Eco‑Centre, coral restoration (coral lines), organic gardens and single‑use plastic reductions. (gili-lankanfushi.com)
• Luxury: “barefoot” private‑island vibe with handcrafted villas, personal hosts and high‑end dining.

4. Four Seasons Resort Maldives at Landaa Giraavaru — Baa Atoll

• Sustainability: long‑running Marine Discovery Centre staffed by marine biologists (coral reefscaping, turtle rehabilitation, manta research); very large coral propagation program (hundreds of thousands of fragments/frames planted). (fourseasons.com)
• Luxury: ultra‑luxury villas, award‑winning dining and comprehensive wellness/activities.

5. JOALI Maldives & JOALI BEING — Raa Atoll (Joali Maldives) / Bodufushi (Joali Being)

• Sustainability: EarthCheck‑certified property(ies); on‑site desalination and glass water bottling, organic chef gardens, rainwater harvesting, waste treatment/composting and a sustainability fund supporting local projects. (joali.com)
• Luxury: art‑driven design, wellness‑focused programming (Joali Being), high‑end villas and curated experiences.

6. Kudadoo Maldives (by Hurawalhi) — Lhaviyani/nearby atoll

• Sustainability: designed as a largely solar‑powered private‑island resort (large PV roof powering the retreat), native planting, glass‑bottled water and marine conservation partnerships (manta/turtle research). (koretraveler.com)
• Luxury: extremely small private‑island feel, personal butler service and bespoke experiences.

7. One&Only Reethi Rah — North Malé Atoll

• Sustainability: recent EarthCheck Platinum recognition (sustained environmental management, on‑island water bottling, waste‑to‑biogas/compost, turtle rehabilitation and coral propagation programs). (hoteliermaldives.com)
• Luxury: large private‑island resort with very spacious villas, multiple restaurants and extensive facilities.

How I picked these: they combine third‑party certification or verifiable conservation programs (marine labs, coral propagation, solar/water systems, EarthCheck/other recognition) with proven luxury offerings. Where possible I cited resort sustainability pages and recent certification/news items above. (soneva.com)

Quick tips for traveling responsibly to the Maldives

• Look for third‑party certification and recent proof (EarthCheck, Green Globe, GSTC alignment, documented marine‑science programs). EarthCheck explains what their certification covers. (earthcheck.org)
• Bring or buy non‑nano mineral (zinc oxide / titanium dioxide) “reef‑friendly” sunscreen, or wear UPF sun clothing — avoid oxybenzone/octinoxate and other chemical filters shown to stress coral. (Note: “reef‑safe” labeling is not fully regulated; check ingredients.) (rei.com)
• Reduce waste: prefer resorts with on‑island glass water bottling, refillable toiletries and composting/recycling programs (listed above for many properties). See the resorts’ sustainability pages for specifics. (soneva.com)

If you’d like, I can:

• Narrow these to a specific atoll, travel window, or villa‑type; or
• Compare the resorts’ sustainability claims side‑by‑side (certifications, carbon/energy figures, marine programs) in a table.

Which of those options would you prefer?