Reefs / Haa Dhaalu Atoll / Hanimaadhoo

Island reef

Hanimaadhoo

One reef, shared by 4 properties on Hanimaadhoo. Measured from satellite — the same water whichever of them you book.

Good reef Modelled — no in-water survey

Reef Conditions

5.5

Rating

Good

Atoll

Haa Dhaalu Atoll

Properties here

Generated 2026-07-18 · Modelled from satellite · No in-water survey yet

Reef Conditions · measured from satellite

5.5Good

The reef at Hanimaadhoo’s island — shared by 4 properties here. Every guesthouse on this island snorkels the same reef, so we score the island, not the doorstep.

Reef cover (modelled)Hard-bottom cover, heat-stress adjusted

2.8

26% of the mapped reef is coral or algae (3.53 km² mapped) · reduced 1.0 for heat stress since the imagery (peak DHW 6.8)

Reef structureThe wall — slope, crest and extent

6.4

27% reef slope (0.97 km²) · reef crest present

Accessibility & easeHow far to the drop-off, and what you cross

7.4

350 m to the drop-off · 45% of the reef is shallow flat to cross

Fish diversity & abundanceNeeds in-water or first-party evidence

Pending

A satellite cannot count fish. We would rather say nothing than guess.

Big encountersNeeds in-water or first-party evidence

Pending

A satellite cannot count fish. We would rather say nothing than guess.

This is Reef Conditions — what a satellite can measure. The full Maldives Index, which adds fish life and big-animal encounters confirmed in the water, has not been awarded to any property yet.

What this is, and isn’t. Measured from the Allen Coral Atlas benthic and geomorphic maps (CC BY 4.0) and NOAA Coral Reef Watch heat-stress records (public domain). Its benthic class is “Coral/Algae” combined — a satellite cannot tell live coral from algae — so this is modelled reef cover, not verified coral health, and never a substitute for being in the water. Imagery vintage 2018-2021; heat stress since then is applied as a penalty.

When to go · Haa Dhaalu Atoll

No wildlife research has been published for Haa Dhaalu Atoll that we can cite. The monsoon applies; beyond that, nobody knows.

Seasonality & sources for Haa Dhaalu Atoll →

How it compares

Against the rest of the country.

This reef

5.5

Maldives median (297 reefs measured)

6.0

The national median across 297 measured reefs is 6.

Snorkelling & marine life

Marine life

Hanimaadhoo · Haa Dhaalu Atoll · a shared island reef

Documented in Haa Dhaalu Atollcited

No atoll-level wildlife study exists for Haa Dhaalu Atoll that we can cite — so we assert nothing here, rather than guess.

Not established here honest

We only list what the evidence supports for this atoll — nothing is claimed by inference.

Who snorkels this reef

4 properties on this reef.

They share one reef, so they share one score. Which you pick changes your room, your dinner and your budget — it does not change the water.

The Barefoot Eco Hotel Hanimaadhoo → Himeyn Beach Inn Maldives Hanimaadhoo → Tropical Lodge Hanimaadhoo → Vilu Veli Holiday Retreat Hanimaadhoo →

Where this reef is

6.75175, 73.17193

The pin is the island centroid from our geocoding — this is an island reef, so every property here shares both the reef and this point. Satellite imagery © Esri, Maxar, Earthstar Geographics.

Before you get in

Pack for this reef.

Chosen from what we measured here — not a generic list.

Mask & snorkel

The one non-negotiable — a well-sealed mask makes or breaks the reef.

Reef-safe sunscreen

Oxybenzone-free — protects you and the coral, and it’s expected on these reefs.

Rash guard / UV top

Hours on the surface add up; covers you and cuts the sunscreen you need.

Fins

The drop-off is about 350 m out — fins make that swim, and holding position in current, far easier.

Dry bag

Keeps phone, room key and a towel dry on the walk out to the reef.

The Reef Code

Non-negotiable. These reefs take decades to grow and seconds to damage — the same rules apply on every reef in the index.

Never touch or stand on coral

It’s a living animal — a single footstep can undo decades of growth.

Keep your distance from wildlife

No touching, chasing, riding or cornering turtles, sharks, rays or mantas. Hover and let them come to you.

Reef-safe sunscreen only

Oxybenzone and octinoxate bleach coral. Cover up with a rash guard where you can.

Fins up, float horizontal

One careless fin-kick snaps fragile branching coral and clouds the water for everyone.

Never feed the fish

Feeding unbalances the reef and changes natural behaviour for good.

Take only photos, leave only bubbles

No collecting shells, coral or sand — living or dead, it stays on the reef.