Split's waterfront has anchored vessels for three millennia, but the Adriatic party circuit is a recent invention. In the early 2010s, a handful of operators began running afternoon DJ cruises to the Blue Lagoon on Drvenik Mali, transforming sleepy island-hopping routes into floating dance floors. By 2015, the format had matured: departure from Riva promenade, three to five hours on the water, swim stops at turquoise coves, open bars, and onboard sound systems loud enough to carry across the strait. The model spread to sunset sails and night departures, some bundling VIP club entry in Split's old-town venues. Party boat trips Split now run year-round, though the season peaks between May and September when water temperatures exceed 20°C and daylight stretches past 20:00. Operators favor catamarans and speedboats over traditional wooden gajetas, prioritizing deck space and stability for dancing. Most routes trace a 15-nautical-mile arc through the central Dalmatian archipelago, calling at Čiovo, Šolta, or the trio of islets near Trogir. The Blue Lagoon remains the signature anchorage: a shallow basin ringed by limestone, depth rarely exceeding four meters, clarity so complete you can count pebbles from the bow. Afternoon itineraries linger there for 60 to 90 minutes; sunset trips time arrival for the golden hour, when the cliffs behind Maslinica glow amber and the DJ drops the tempo. The vessel fleet is heterogeneous. Some companies operate converted fishing boats with bolted-on speaker rigs; others deploy purpose-built party catamarans with swim platforms, netting trampolines, and rooftop sun decks. Capacities range from 40 to 150 passengers. Onboard amenities typically include an open bar stocked with local rakija, Ožujsko lager, and prosecco, though premium packages may add cocktails and barbecue platters. Crew sizes vary from two to six, with a licensed skipper, deckhand, and resident DJ forming the core team. Music policy leans toward Balkan pop remixes, Eurodance, and house, calibrated to the crowd rather than a rigid setlist. Night departures invert the itinerary. Boarding begins after 22:00, the boat circles the harbor under LED rigging, and the voyage concludes with direct transfer to a partnered nightclub, bypassing cover charges and queues. These trips appeal to bachelor and bachelorette groups, though solo travelers and couples book regularly. Split's harbor authority enforces noise ordinances within the city breakwater, so most vessels wait until clearing the Marjan headland before opening the throttle and raising the volume. The result is a hybrid experience: half maritime tour, half mobile rave, fully anchored in the Adriatic's island geography.