Saint Lucia is the sort of island you can smell before you see—green hills after a long blue horizon, and trade-wind puffs that remind you the mountains make their own weather. Most crews do it the sensible way: get yourself squared away up north, then work down the lee coast in daylight, keeping hops short and expectations realistic.
Ashore, things run on island time but not chaos. Have your papers tidy, keep a bit of cash handy, and don’t be shy about asking what a fee is actually for. On the water, give the gusts and swell the respect they’re due, and you’ll find the place easy enough to enjoy without it trying too hard to impress you.