Bay Area Renaissance Festival: Shamrocks and Shenanigans: Highland games, keg toss, men in kilts and a bonnie knees competition. 10 a.m., Museum of Science and Industry (MOSI), 4801 E Fowler Ave., Tampa. $17.95 advance, $20.95 day of; $9.95 advance, $12.95 day of (ages 5-12); $16.95 seniors/students; $10 dogs. Toll-free 1-800-966-8215.
Artists' Tour: March features a "Artists at Work" theme with two days of exploring exhibits by 19 artists at 15 different stops throughout the Kenwood neighborhood in St. Petersburg. Find a map at kenwoodartistsenclave.org. 10 a.m., The Artist Enclave of Historic Kenwood, 3235 Eighth Ave. N, St. Petersburg. Free. (727) 365-6664.
Bloom N Chalk Festival: Stroll Main Street and check out historical landmarks as artists from around the world create sidewalk chalk masterpieces. 10 a.m., Safety Harbor, Main Street between Bayshore Boulevard and Seventh Avenue, Safety Harbor. Free. (727) 724-1572.
St. Patrick's Day River O'Green Fest: Once again, Tampa celebrates St. Patrick's Day by dyeing the Hillsborough River with a bright green, bio-degradable dye. 11 a.m., Curtis Hixon Park, 600 N Ashley Drive, Tampa. Free. (813) 274-8615.
Paddyfest Family Fun Day: The Thunderbug and Lightning Girls cheer on kids as they maneuver their way through an inflatable obstacle course and try their hand at a slapshot. Noon, Irish 31, 10102 Montague St., Tampa. Free. (813) 510-3931.
Informed Consent: This drama inspired by a landmark court case follows a woman's quest to answer the mysteries of science and her own life. Through April 9. 3 and 8 p.m., American Stage Theatre Company at Raymond James Theater, 163 Third St. N, St. Petersburg. $39-$49. (727) 823-7529.
St. Patrick's Day Party at Cricketers: Live bands, bagpipers, face painting, hula hoop shows, raffles, giveaways, food and drink specials. 4 p.m., Cricketers Dunedin, 2634 Bayshore Blvd., Dunedin. Free (food/drink additional). (727) 736-1322.
Caribbean Kruze Fest: WMNF presents bands including Jahfari, Impulse, Island Chill, Spy V Spy, The Little Drummer Boys and DJ Bizzie B. 4 p.m., Skipper's Smokehouse, 910 Skipper Road, Tampa. $12-$15. (813) 971-0666.
Grown Up Science: Beer and Planet Nine: Join MOSI's Space Programs Director Professor Antonio Paris to discuss Planet Nine, the hypothetical planet 10 times larger than Earth that may be circling the Sun. Then, make your way to the balcony for telescope viewings and beer samples. 6 p.m., Museum of Science and Industry (MOSI), 4801 E Fowler Ave., Tampa. $15, $10 members. (813) 987-6000.
Rough Riders St. Patrick's Night Parade: Krewes from across Florida celebrate St. Patrick's Day with beads, floats and more. Avoid crowds and bad parking situations by taking the trolley to the parade. 8 p.m., Downtown Ybor City, E Seventh Avenue and N 14th Street, Tampa. Free. (813) 248-1898.
Mad Hatter's Masquerade Ball: Unique hats or masks are required to enter the gallery's annual fancy ball with an avante garde fashion and body art runway show. 8 p.m., ARTpool Gallery, 2030 Central Ave., St. Petersburg. $15, $25 VIP. (727) 324-3878.
A Skull in Connemara: Rumors begin to fly when a man hired to disinter bones in a cemetery is assigned to dig up the bones of his own late wife. 8 p.m., Shimberg Playhouse at the Straz Center for the Performing Arts, 1010 N MacInnes Place, Tampa. $28. (813) 229-7827.
Sinbad: Ranked by Comedy Central as "one of the top 100 stand-up comedians of all time", the actor and comedian has had audiences laughing for over three decades. 8 p.m., Capitol Theatre, 405 Cleveland St., Clearwater. $35-$82. (727) 791-7400.
Serengeti Night Safari: Board a safari truck to explore the Serengeti Plain. For ages 21 and over. 8:30 p.m., Busch Gardens, 10165 N McKinley Drive, Tampa. $74.99. (813) 884-4386.
Ignite the Night: Eight producers go through five rounds of all original beats and three live performers rock the mic during this night of networking. 10 p.m., Pegasus Lounge, 10008 N 30th St., Tampa. $5. (813) 971-1679.
KIDS AND FAMILY
Former Mermaids Perform: A flashback performance by the "Legendary Sirens." Noon, Weeki Wachee Springs State Park, 6131 Commercial Way, Weeki Wachee. Free with park admission, $13 adults, $8 ages 6-12, free for ages 5 and younger. (352) 592-5656.
MORE TO EXPLORE
Find family events at tampabay.com/things-to-do.