Here is a page with links to the official government information. Under Vessel Restrictions it calls out the restriction of waiting until Day 0 negative results are received before making landfall.

Specifically, here is the current map that calls out which Peter Island anchorages are prohibited from landfall.

Sleepychef will probably chime in, but I think he has setup a system to order, pay, and arrange for pickup from Wonky Dog on Anegada.