Best beaches in South Island

4 ranked beaches in South Island, Agalega Islands

Ranked by the OnlyBeaches Index (OBI) — a 1-10 score blending water purity, conditions, crowd levels and vibe. Updated every 30 minutes.

All beaches in South Island

1
Sainte Rita Beach
Main South Island settlement beach ensuring full island representation.
7.0
2
Sainte Rita Lagoon Beach
Secondary lagoon beach near settlement, useful but not primary.
7.0
3
South Island East Beach
Remote east coast stretch grouped correctly as a single beach zone.
7.0
4
South Island West Beach
Undisturbed west coast with strong geographic continuity.
7.0

What makes South Island's beaches stand out?

South Island sits in Agalega Islands, Mauritius and is home to 4 ranked beaches on OnlyBeaches. Every beach here is scored by the OnlyBeaches Index — a 1-10 metric blending water purity, live conditions (waves, water temperature, wind), crowd intelligence and vibe.

Whether you're after the highest-scoring beach in South Island or a quieter hidden cove, the list above is refreshed every 30 minutes using live Stormglass and OpenWeather data.