I heard tiko tiko trips are good but we just did 2 days with bluebeard charters and had a great time. 1 day on racing catamaran Arawak to dog island and another trip on their bluebeard heinken catamaran to Anguilla (sail to rendezvous bay then 20min bus tour to shoul bay where you have a nice bbq lunch at beach restaurant and approx 2.5hrs on beautiful shoul bay to lounge around or snorkel).