Sunset Music Festival: Back for a second year after a huge turnout last year, the festival brings a day of electronic dance music to Tampa. This year's headliners are David Guetta and Steve Aoki. To beat the heat, they've added extra shading and two water slides. It starts at noon in the Raymond James Stadium parking lot, 4201 N Dale Mabry Highway, Tampa. $69. (813) 350-6545.
Margarita Festival: Lots of flavored margaritas pair with a full line-up of bands, an artificial beach with a sand volleyball court, and a fireworks show at night. For guests 21 and older only. Gates open at 2 p.m. at Curtis Hixon Park in Tampa. $15-$20. (813) 421-3527.
97X Backyard BBQ: This full day of bands, beer and barbecue is headlined by prog-rockers Coheed and Cambria and Twenty One Pilots. It begins at noon in Vinoy Park, 501 Fifth Ave. NE, St. Petersburg. Free admission, $50 VIP. (727) 579-2000.
Paddle Against Cancer: Choose from a three-mile or seven-mile paddle around Treasure Island and Paradise Isle through the Intracoastal Waterway, followed by a party with live music, paddle-board demos, cash bar and more. Benefits Moffitt Cancer Center. Meet up at 9:30 a.m. at the Club at Treasure Island, 400 Treasure Island Causeway. $35. (727) 288-7390.
SEASON PREMIERE Trisha's Southern Kitchen, 10:30 a.m., Food Nothing new is on tonight, so watch the return of Trisha Yearwood, who is still muscling in on the cooking show biz.
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Find kid-friendly events at tampabay.com/things-to-do.