Fly over to St. Barth and take the ferry back. Best of both worlds. The seas are typically ENE or thereabouts so the ride home is much more comfortable.

As far as expense goes, I have been getting $135 - $150 r/t on Winair lately. That's $65 in air and the rest in fees and BS.

Even the worst St. Barth ferry is better than most of the public Anguilla ferries.
And they all have outdoor seating available.

Have a ball.