BlueXpedition Book the Crossing

Blue Bay Marine Park · Pointe d'Esny, Mauritius

Swim it.
Don't boat it.

A two-hour guided open-water swim across a triple-protected marine park to Île aux Deux Cocos — coral gardens, green sea turtles, and not a hull in sight.

353 haProtected lagoon
38Coral species
72Fish species
2 hrsIn the water
01The EntryT+ 00:00

You walk in where everyone else boards a boat.

Blue Bay Marine Park is 353 hectares of the most protected water in Mauritius — recognised three times by the republic and once by the world. The standard way to see it: a glass-bottom boat, ten minutes of engine-off floating, back to shore.

The Crossing starts differently. Mask on, briefing done, feet in the sand — and then nothing between you and the park until the island.

Calm, shallow crossing line Paddleboard alongside Depth 1–150 m across the park
The white-sand entry point at Blue Bay, turquoise lagoon stretching to the reef line
The entry. No queue, no jetty, no engine.
02The Coral GardensT+ 00:30

Thirty minutes in, the park opens up beneath you.

Thirty-eight coral species live in this lagoon — table corals, staghorns, and the park's famous resident: a brain coral five metres across and roughly a thousand years old. It was growing here before Mauritius had a name.

From a boat it's a shape under glass. From the water, you hang above it, hold your breath, and hear the reef crackle.

Table corals and staghorn formations in clear turquoise water, Blue Bay Marine Park
Table corals on the crossing line.
A reef shelf of layered corals seen from inside the water at swimmer's eye level
Swimmer's-eye view. No glass involved.
03Turtle TerritoryT+ 01:05
Sunlight breaking through the surface above a coral head in Blue Bay lagoon
Their light, their water, their pace.

The endangered green turtle lives here. You're in its water now.

Blue Bay's seagrass meadows are recognised habitat and nursery ground for the endangered green sea turtle. They graze here, surface here, breathe here — and on the crossing line you share the water at their pace, not an engine's.

No chasing, no touching, no flash. We hold position; they decide how close. That's the deal — and it's why they stay.

Recognised nursery ground Strict no-contact approach
04The Whole Market, One Figure
0 / 1

Fifteen operators hold glass-bottom boat permits in Blue Bay Marine Park. One runs a swim crossing. Same lagoon, opposite idea: they keep you dry, we keep you in.

Tour boats moored in a row on the bright lagoon — the standard way to see it
The fleet at anchor. Beautiful boats. Not the point.
05The ApproachT+ 01:40

Île aux Deux Cocos, earned the hard way.

The islet sits inside the marine park itself — 4.22 hectares of green rising off the reef line. Boats unload day-trippers on the hour. You arrive low in the water, the island growing in your mask with every stroke, the last hundred metres over bright sand.

Same island. Completely different story at dinner.

~2 hrs swimming Boat ride back included
Île aux Deux Cocos seen low across glassy turquoise water — the swimmer's view on approach
The actual view on approach. Taken from the water.
06Same Lagoon, Different Log

The ten-minute version vs. the two-hour version.

Glass-bottom boat
The Swim Crossing
Time in water
~10 minutes
~2 hours
View
Through glass, from above
From inside it
Group
Full boat
Small, guided, private
Pace
Set by the engine
Set by you
You bring home
A photo of the water
A story nobody else on the island has
07The Brief

Fitness

Confident open-water swimmers. Snorkeling experience helps but isn't required — your guide sets the pace, and the paddleboard is your rest stop.

Safety

Guided start to finish by a certified scuba diver. Paddleboard support alongside the full crossing. Life vest available on request.

Included

Guide, briefing, snorkel mask, paddleboard support, and the boat back from the island.

Conditions

Sea-dependent. Confirmed 24 hours ahead; free reschedule if the lagoon says no. If we cancel for weather, no charge.

Your guide

Suhail — born-and-raised Mauritian based in Pointe d'Esny, five years in tourism, certified diver. Rated 5.0 on TripAdvisor.

T+ 02:00 — Crossing logged

Be one of the few who've swum it.

Rs 2,500 / person

Limited crossings per day · Confirmed 24h ahead · Free reschedule