Cajun-Zydeco Crawfish Festival: Cajun and Creole cuisine, music, dance contests and crafts for the kids at Vinoy Park along the St. Petersburg waterfront. Noon to 8 p.m. $12 for adults; 10 and under free. No pets or coolers. cajunconnection.org; (727) 892-5798.
Green Frog Moon Festival: Music by 11 different artists, 10 a.m.-6 p.m., Sacred Lands, 1620 Park St. N, St. Petersburg. Also, native style flutes, arts/crafts/jewelry display, giveaways, silent auctions and food vendors. Benefits Sacred Lands and CASA. Free. Call (727) 744-9978 or check sacredlands.info.
Suncoast Singers: Broadway melodies and Disney favorites, 3:30 p.m., Faith Presbyterian Church, 11501 Walker Ave. N, Seminole. $16, $10 youth, $6 under 12. (727) 391-0596.
Theater Pipe Organ Concert: Bring your lunch and enjoy the music, 11:30 a.m., Pinellas Park Auditorium, 7690 59th St. N, Pinellas Park. Free. Call (727) 541-0721.
In Bed With a Mosquito: Prize-winning short documentary about Betty Brassell, who spent her retirement protesting in the streets of New York, 5:30 p.m., Gulfport Public Library, 5501 28th Ave. S, Gulfport. Linda Brassell leads a discussion about her mother. Call (727) 893-1074.
Chili Blaze: Pinellas Park firefighters' event with chili cook-off, motorcycle show, music and crafts show, 6-11 p.m., England Brothers Bandshell, 5121 80th Ave. N, Pinellas Park. Benefits the Muscular Dystrophy Association. Free admission; all-you-can-sample chili armband, $7. Call (727) 687-4494 or check chiliblaze.com.
Chili Cook-Off: Guest chili judges, homemade pie and cake auction, silent auction and live music, 6:30 p.m., St. Petersburg Woman's Club, 40 Snell Isle Blvd. NE, St. Petersburg. Benefits the Hospice of the Florida Suncoast and Historic Building Restoration Fund. Reserve by March 16. $15. Call (727) 822-2473.
Beverly Hills Chihuahua: See the Disney movie staring Drew Barrymore, Piper Perabo, Andy Garcia, 6:30 p.m., St. Luke's United Methodist Church, 4444 Fifth Ave N, St. Petersburg. Chairs provided or bring your own. Concessions available for purchase. Free. Call (727) 327-1335.
Theater on the Bay: Outdoor family movie night features Shark Tale (PG), 7:30 p.m., Gulfport Recreation Center, 5730 Shore Blvd. S, Gulfport. Chairs, blankets and coolers welcome. No alcohol; refreshments available. Free. Call (727) 893-1118.
Artists in the Courtyard: Arts, crafts, a tea room and grill, 9:30-4:30 p.m., Woodlawn Presbyterian Church, 2612 12 St. N, St. Petersburg. Free. Call (727) 822-4477.
Flea Market and Citywide Yard Sale: More than 100 homes participate, 9 a.m.-2 p.m., maps at Gulfport Recreation Center, 5730 Shore Blvd. S, Gulfport. Call (727) 893-1118.
National Quilting Day Celebration: 10 a.m.-3 p.m., Heritage Village, 11909 125th St. N, Largo. Free. Call (727) 582-2123 or check pinellascounty.org/heritage.
St. Paul's Spring Festival: With carnival rides, kid's games and crafts, bingo, dancing and music, 5-10 p.m. Thursday; noon-11 p.m. Friday and Saturday; and 12:30-10 p.m. Sunday, St. Paul's Catholic Church, 1800 12th St. N, St. Petersburg. Free admission; fee for rides, games, food. Call (727) 822-3481 or check stpaulstpete.com.