Love the south area. You can search for a recent thread about this.

Salt pond is most protected and least rolly in my experience. Allows for a hike to Rams Head too. 5 balls there. Be careful with entrance. Big reef in the middle.

Great lameshur is the prettiest I think, but typically I find it too calm and rolly in a monohull. Probably not an issue in a catamaran.

Little lameshur is nice too.

They are all close to each other so you could check them out pretty easily.

Do not tell many people how nice it is down there.