Take a bunch of rabid music fans, throw them on a luxury cruiseliner, sail ’em out to the jurisdiction-less “international waters” and pack the boat with about 30 bands and individual musicians — now I don’t usually recommend beating yourself about the face, neck, chest, breast and head, but if you can’t have fun on that five-day excursion, you might as well begin knocking yourself unconscious.

And such is Jam Cruise, the weeklong vacation-slash-concert now in its sixth year. The MSC Lirica departed from Ft. Lauderdale on January 4th and docked in Honduras and Cozumel along the way; and, in between, the boat played host to countless concerts, sit-ins, super-jams and seafaring spunions. The artist list featured notables like Warren Haynes and moe.’s Al Schnier, Sharon Jones & the Dap-Kings, the Funky Meters and Toots & the Maytals, Galactic and Soulive, Perpetual Groove and New Monsoon, Michael Franti & Spearhead, Karl Denson, Robert Walter, Steve Kimock, Grace Potter & the Nocturnals, Lotus and more.

Oh, and hey, that guy in the green shirt at the kit looks familiar. I doubt anyone chatted up Jon Fishman (of the Johnny B. Fishman Jazz Ensemble, I’m told) at the pool that week. So take a trip with us as we look back at Jam Cruise 6, told through the photographic stylings of the gifted and talented Dave Vann. Read on after the jump for a full gallery, as well as videos and downloads from the boat…