If you want to do the full moon party, Trellis is fine for a night (it's just not an anchorage I would personally choose for one of my nights of vacation), but I would still recommend grabbing a ball off Marina Cay or Scrub as the better option. There is a ferry and I believe you can arrange for late night pick up, although I believe there may be a cost for the late pickup, and there may be a cost regardless, which may or may not be free if you get a slip at Scrub or have a meal at Marina Cay - not sure on the specifics on that.
https://marina-cay.com/frequently-asked-questions/https://www.scrubisland.com/location/chrome-extension://efaidnbmnnnibpcajpcglclefindmkaj/https://www.scrubisland.com/content/uploads/2021/12/Scrub-Island-Ferry-Schedule-2022.pdf
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