day trip from SXM

I will be traveling over on Aug 5 w a group to celebrate my sisters 40th bday. We have a private driver reserved for day upon arrival at marina until departure.

Any and all advice or suggestions welcome?
Casual /fun restaraunts
scenic or historical sites
souvenirs/shopping
any particular activities 1 of a kind to Anguilla?

Thanks for any time spent replying.