'As we enter the summer, we're ready to celebrate your way - whether that means experiencing a memorable dinner cruise on the Mississippi River, splashing with the kids at The Lagoon or even seeing some of the biggest names in entertainment during our Summer Concert Series.'īigger stage, bigger acts: A staple of Treasure Island's entertainment offerings, the Summer Concert Series, is back with another all-star lineup. 'Treasure Island Resort & Casino is offering something special for everyone this summer,' said Treasure Island Communications & Partnerships Manager Aaron Seehusen. Treasure Island Resort & Casino - 2023 Summer Concert Series