Le Peninsula Bay Beach Resort & Spa on the south-east coast near Blue Bay occupies a genuinely unusual position: a narrow peninsula that projects into the Blue Bay lagoon, one of Mauritius's two marine parks, with water visible on three sides from certain rooms. The reef here contains some of the healthiest hard coral in the island's territorial waters, and the resort organises snorkelling trips that include guided dives through coral gardens where hawksbill turtles, reef sharks, and vast schools of surgeonfish are routine sightings. The architecture is deliberately low-impact — raised walkways, natural stone, and shaded terraces that minimise the visual footprint — in keeping with the marine park's conservation mandate. Rooms are clean, spacious, and decorated with nautical simplicity; the sea-view suites on the upper floors have wraparound balconies from which the lagoon can be seen in three directions. The spa uses marine-derived ingredients — sea salt, marine collagen, and coral clay. Mahebourg, a charming colonial-era town with a remarkable historical museum, is ten minutes by car. The airport is 15 minutes. Le Peninsula Bay is a niche choice for guests genuinely motivated by the marine environment who want to snorkel or dive in the Blue Bay Marine Park daily from their doorstep.