SPI Pontoon Boat Charters Here at beautiful South Padre Island! We create memories! Book us for some Bird Watching, Historic Tours, Firework Cruises, Dolphin Watching, Sunset Cruises, Booze Cruise, Rocket Launch Viewings, Tubing, Shelling, Knee Boarding, Port Tours, Snorkeling Trips, Kayak Shuttle or just for a fun boat tour!