You can book a trip to Ile Plate in a lot of agencies. The trip mostly includes the boot trip by trimaran, a bbq-meal and drinks. The island has a nice beach and it's very nice to snorkel. You can see plenty of fishes, beautiful coral and turtles.
Trimaran
Arriving on Ile Plate
Coin de mire
Trimarans
The beach
A walk
On the rock