Double Decker Pontoon with Slide on Lake Austin: Party, Swim, and Sunset Cruises

Lake Austin's glass-smooth surface splits Loop 360 where the Pennybacker Bridge arcs above blue water; here, at the 360 Bridge Boat Ramp, Double Decker Pontoons with Slide offers a full-day option for sun, music, and friends. Launched from 5019 N. Capital of Texas Highway, Austin, Tx. 78746, this is a party boat built for play: a two-deck pontoon with a rear water slide, Bluetooth surround sound, rear speakers, a large onboard cooler (no ice), and space for up to 25 guests. Trips run 2–12 hours, and every booking includes a licensed captain, fuel, and USCG life vests; cooler provision is included but ice, snacks, and beverages are BYOB. A 20% captain gratuity is added to bookings but may be paid in person via cash, Venmo, Cash App, or Zelle, and guests must bring $5 CASH ONLY per person to enter the ramp parking and gate. Arrive 30–60 minutes early on busy Saturdays to queue for the park booth and secure parking. Beyond the stereo-ready deck and slide, the setting is what sells the day: limestone bluffs, stands of live oak and cypress, and narrow coves that open into long stretches of water framed by morning light. The Pennybacker Bridge (commonly called the 360 Bridge) provides a dramatic backdrop for photos and a reliable marker for favorite swim stops. Safety is straightforward but nonnegotiable: no glass bottles, everyone must wear a life vest when instructed, and the captain controls where the boat anchors. The boat is ideal for mixed groups—families with teens, extended friend crews, or small corporate outings—thanks to its roomy upper deck for sunning and a shaded lower deck for conversation. Photographers will favor golden hour for low-angle light under the bridge; midafternoon catches vivid blue water and lively reflections. Local operators keep the craft low-impact: no anchoring in sensitive shallows, pack-out trash rules, and guidance to avoid disturbing nesting birds along the banks. Book a 2-hour afternoon cruise for a quick celebration or a full 12-hour day to chase sunrise, coffee, and quiet coves before afternoon parties pick up. What you bring shapes the trip: sunscreen, towels, water, and a small first-aid kit are essential; leave glass at home and pack a bag for trash. Launch from 5019 N. Capital of Texas Highway, Austin, Tx. 78746 at the 360 Bridge Boat Ramp and let the captain guide a day that’s loud in music but easy on logistics. Double Decker Pontoons with Slide turns Lake Austin’s familiar shoreline into a floating backyard—bring your crew, your playlist, and an appetite for long, sun-bright afternoons. Reserve early during high season, confirm captain gratuity and add ice to booking if you want a chilled cooler and fewer stops for resupply and sunscreen.