Blue Bay
Mauritius's crown coral lagoon, worth every early alarm
About
Blue Bay stretches roughly 800 metres of white sand along the sheltered south coast of Mauritius, near Mahébourg. The protected lagoon holds turquoise water so clear you can spot coral heads from the shoreline without even getting your feet wet. This is one of the island's designated Marine Parks, meaning the reef here is genuinely alive — high fish biodiversity, coral gardens, and a lagoon calm enough for swimmers of all ages. The vibe is firmly family-friendly, with moderate visitor numbers that keep it pleasant without feeling like a theme park. It's the kind of beach that earns its reputation.
How to get there
Blue Bay sits just outside the village of Blue Bay, roughly 7 minutes by car from Mahébourg — a free public car park sits at the Marine Park entrance. If you're without wheels, a bus from Mahébourg runs every 30 minutes and takes around 30 minutes. Access onto the beach is easy, with flat sand all the way to the water's edge, though no formal wheelchair infrastructure has been confirmed on site.
Who it's for
For couples
The protected lagoon and calm turquoise water make for a genuinely peaceful morning together — snorkel side by side over the coral garden before the day-trippers arrive, then walk the 800-metre shoreline while it's still quiet.
For families
Safe swimming, flat sand access, and calm lagoon water make Blue Bay one of the most practical family beaches on the Mauritian south coast. Kids can spot fish from the shallows without snorkel gear, and the free car park and nearby snack options keep logistics simple.
Our take
Feet in the sand, eyes on the screen
Blue Bay delivers on its reputation, but only if you play it right. The coral garden is the real draw — genuinely diverse, genuinely visible, and genuinely protected, which is rarer than it sounds in the Indian Ocean. Come early, stay in the water before 10am, and the place feels almost private. Miss that window and the glass-bottom boat parade will remind you this is one of Mauritius's most visited beaches. Skip the June-to-August window unless choppy water doesn't bother you. For families and snorkellers especially, this is as good as the south coast gets.
What to do
The Marine Park itself is the main event — snorkel the coral garden, join a glass-bottom boat tour before the mid-morning rush, or simply wade in and watch the fish from the shallows. About 1.9km along the coast, Pointe d'Esny Public Beach offers a quieter alternative when Blue Bay gets busy. A short trip away, Île aux Aigrettes is a coral island nature reserve managed by the Mauritian Wildlife Foundation, home to giant Aldabra tortoises and endemic birds — well worth the 3km journey. The Mahébourg Waterfront Museum, 5km away, covers the 1810 Battle of Grand Port and colonial Mauritius if you want context for the region.
Shoot from knee-deep water looking back at the white sand shoreline in early morning light for the cleanest turquoise-and-white frame.
The coral visible from the surface makes for striking underwater or half-underwater shots during the calm pre-10am window. From the beach edge, the silhouette of Îlot des Deux Cocos on the horizon adds depth to wide-angle lagoon shots.
Where to eat
Within 300–400 metres of the beach you have several solid options: The Spot Cafe does burgers, fish and chips, and seafood; Blue Bay Snack keeps things casual and close; and Blue Bamboo, just 400m away, offers regional Mauritian cooking worth trying. Le Bougainville and Avi Restaurant round out the local lineup if you want a sit-down meal after a morning in the water.
Where to stay
Here Paradise is the closest option at just 300m from the beach, making it ideal if you want to beat the morning snorkelling rush. Le Grand Cacatoie sits 400m away, while Mandrinette Villa, Le Clos des Bains, and Explora Prestige are all within 700m — a short walk from the lagoon.
Photography
The best shots come at sunrise or just after, when the turquoise water is glassy and the white sand is empty — position yourself at the waterline looking toward the lagoon for the cleanest coral-through-water frames. Mid-morning, glass-bottom boats make a lively foreground subject if you're shooting from the shore, but they'll ruin any underwater photography.
Good to know
Get in the water early — glass-bottom boat traffic runs heavily between 10am and 3pm and significantly degrades the snorkelling experience, so aim to be snorkelling by 8am at the latest. Marine Park rules are strictly enforced: no anchoring, no touching or collecting coral, and no motorised watercraft in the swimming zone. Avoid June, July, and August if water clarity matters to you — south-east trade winds can make conditions choppy and murky during those months. The beach is not naturist.
Map
Nearby places
Le Bougainville
Blue Bay Snack
The Spot Cafe
Blue Bamboo
Avi Restaurant
Here Paradise
Le Grand Cacatoie
Mandrinette Villa
Le Clos des Bains
Explora Prestige
Blue Bay Public Beach
Blue Bay Marine Park
Pointe d’Esny Public Beach
Things to see around Grand Port
Île aux Aigrettes
Coral island nature reserve managed by the Mauritian Wildlife Foundation, home to giant Aldabra tortoises and endemic birds
Mahébourg Waterfront Museum
Historical museum covering the 1810 Battle of Grand Port and colonial Mauritius
Pointe d'Esny Beach
Quiet south-east beach adjacent to a mangrove reserve with views to Île aux Aigrettes
Frequently asked
The information on this page is provided for guidance only and may evolve. Access conditions, safety and infrastructure can change without notice. Always check official sources before traveling.
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Photo credits
Sources and licenses for the photos shown above.
- Photo 1 — Lukas von Daeniken from Schweiz · source · CC BY-SA 2.0
- Photo 2 — Mark Fischer · source · CC BY-SA 2.0
- Photo 3 — Hansueli Krapf · source · CC BY-SA 3.0
- Photo 4 — Hansueli Krapf · source · CC BY-SA 3.0
- Photo 5 — Z thomas · source · CC BY-SA 4.0