Agree with almost all of the above. Definitely don't plan to dinghy from Leverick to Saba. Day around JvD seems a bit packed if you're looking to take in Sandy Spit, bubbly pool, Foxy's, AND White Bay. I personally like the mooring area over by Taboo as it's less traveled. Regarding picking up a ball at Marina Cay and taking the dinghy to Trellis, I've done that and won't do it again, definitely a wet and exposed ride. The Scrub Island ferry also might not run late enough for what you're looking to do, but maybe the night of the full moon party is an exception? I'd contact Scrub to see.
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