Key takeaways
- It sits off Trou d'Eau Douce on the east coast, close enough to the mainland that boats cross in minutes.
- Pale banks and channels curl away from the island for a long way and only make sense from above.
- It does not land. Boats do that, all day, from the mainland jetties.
- The name records them. The island has been a leisure destination for decades and a golf course occupies much of the interior.
What Ile aux Cerfs is
Ile aux Cerfs is a small island lying inside the lagoon off the east coast of Mauritius, a short crossing from the village of Trou d'Eau Douce. It is the single most visited island off the Mauritian coast and the reason is straightforward: it is close, it is ringed with pale sand, and the water around it is shallow and warm for a very long way out.
The name means island of stags, which records deer that were once kept there and are not there now. What is there instead is a well developed leisure operation: beaches with loungers, watersports, restaurants, and a golf course laid across the interior of the island, which is why the aerial view shows an unexpected amount of manicured green.
It is worth being clear about what this flight does with it. The aircraft passes over the island rather than landing on it. If your intention is to spend a day on the sand there, that is a boat trip from the mainland and a different purchase entirely. What the flight offers is the view, and the view is genuinely a different thing.
What altitude adds
From the beach on Ile aux Cerfs you see a beach. It is a good one, and it looks much like a good beach anywhere warm. What you cannot see is the structure the island sits in, and that structure is the interesting part.
From a few hundred metres the sandbars appear. They run out from the island in long pale curves, sometimes breaking the surface, sometimes just below it, and they are shaped by currents that have been working on them for a very long time. Between them the water is deeper and reads as a darker band, so the whole area is drawn in stripes of turquoise and blue that shift as the aircraft moves.
The channels are equally legible. Boats crossing from the mainland follow specific routes, and from above the reason is obvious: there are deeper lanes through the shallows, and everything else is coral or sand. You can watch a speedboat thread one while a catamaran waits its turn.
The golf course and the reef
The golf course is the other surprise. It occupies a large share of the island's interior, and from the air the fairways look like green inlets cut into the vegetation. It is a strange sight from above precisely because it is so obviously not natural, sitting inside an island whose coastline is nothing but curves.
And then there is the reef beyond, a white line of surf standing offshore where the lagoon ends. Ile aux Cerfs is inside that line, which is why the water around it is calm. That relationship is invisible from the sand and immediately obvious from the air.
The island and its sandbars, with the golf course cut into the interior
Where it sits in the flight
The island lies south of the departure beach at Palmar, so every version of the flight reaches it. The shortest fifteen minute option is built largely around the lagoon and the approach to Ile aux Cerfs, and it turns back after that.
The longer flights continue south past the island towards the mouth of the Grande Rivière Sud-Est and the shelf edge where the eastern underwater waterfall appears, and the thirty minute flight goes on again towards Lion Mountain. So Ile aux Cerfs is not the climax of the longer flights so much as the first landmark on the way.
That has one practical consequence. If the island itself is your priority, the short flight covers it. If you want the island and the waterfall, you need the twenty minute option at least.
The lagoon it sits in
The water around Ile aux Cerfs is part of the largest continuous lagoon in Mauritius, and the island is one feature inside it rather than the whole show. That is easy to miss from the ground and impossible to miss from the air, where the lagoon simply keeps going north towards Belle Mare and south towards the river mouth.
Depth is what draws it. Over pale sand in a metre of water the sea is almost white; over two or three metres it is the turquoise everybody photographs; over a coral flat it goes olive and mottled; beyond the reef it turns abruptly navy. Those four bands repeat around every bank and every channel, and following them is most of what the eye does during the flight.
The reef itself is the reason any of it exists. It stands offshore taking the swell, and everything shoreward of it is protected water. On a calm day you can see the surf line breaking in a continuous white thread from horizon to horizon, with the island sitting comfortably behind it.
Is it worth seeing from above if you are going anyway
Many people do both, and the order matters more than you might expect. Seeing the island from the air first makes the boat day legible: you know where the sandbars are, you understand why the crossing takes the line it takes, and you can find the shallow banks that are worth walking out onto.
Doing it the other way round is also fine, and has its own pleasure, which is recognising from above the exact patch of sand you spent an afternoon on. What is not true is the suggestion that the flight substitutes for the island or the island for the flight. They show you different objects that happen to share a name.
If you only do one, the honest answer depends on what you like. A day on Ile aux Cerfs is a beach day with a lot of company. A pass over it is ninety seconds of one of the more beautiful pieces of shallow water anywhere, inside a flight that also covers a great deal else.
