Swimming lessons are already sold out but there’s more happeing at Wetlands Water Park in Jonesborough now announcing their summer plans featuring a grand opening weekend, little league night, “Sunday Fundays” and swimming lessons.According to a press release from the park, the grand opening will be held Saturday from 10 a.m. to 6 p.m. and continues with “Sunday Funday” discount rates of $9 per adult ticket. Sunday hours run from 12 p.m. to 6 p.m. each week.Little League Night will take place on June 16 from 6 p.m. to 9 p.m. with concessions open until 8 p.m. with $3 tickets.