Celebrating the South Florida premier of the World Chamber Concert Festival, Russian pianists Natasha Marin and Maria Demina play a "double sharp" concert by candlelight. Champagne and passed hors d'oeuvres will be served. 6-9 p.m. The Ritz-Carlton South Beach, 1 Lincoln Road, Miami Beach. $80. Details: (786) 276-4176.
Seraphic Fire and the Firebird Chamber Orchestra perform composer George Frideric Handel's 1742 famed creation "Messiah." An annual tradition, the choir and orchestra will perform a 75-minute highlight version of Handel's masterpiece. 8 p.m. Adrienne Arsht Center for the Performing Arts, 1300 Biscayne Blvd., Miami. $30-$75. Details: (305) 949-6722 or www.arshtcenter.org.
Explore Biscayne Bay via water on the Pelican Island Skipper with a staff member from Deering Estate on hand to educate passengers about birds and sea mammals native to the area and its history from Native Americans to the early pioneers. 2-4 p.m. Deering Estate at Cutler, 16701 SW 72 Ave., Palmetto Bay. $35. Details: (305) 235-1668 or www.deeringestate.org.
KAYAK THE KEY
Happen upon tropical fish, sea stars and spotted eagle rays by kayak on a guided tour of the shallow waters of Bear Cut Preserve. First-time kayakers and snorkelers welcome. 9:30 a.m.-1 p.m. Daily event. Crandon Park Visitors and Nature Center, 6767 Crandon Blvd., Key Biscayne. $70. Details: (305) 365-3018 or www.miamidade.gov/ecoadventures/kayak'snorkel'sea.asp.
NIGHT BY THE BAY
Take a nighttime hike through the Deering Estate and see what wakes after the sun goes down. 7-9 p.m. Deering Estate at Cutler, 16701 SW 72nd Ave., Palmetto Bay. $5-$10. Details: (305) 235-1668 or www.deeringestate.org.
The Bayfront Park Management Trust hosts free weekly yoga classes downtown. 6-7:15 p.m. Mondays and Wednesdays. 9-10:15 a.m. Saturdays. Bayfront Park, 301 N Biscayne Blvd., Miami. Details: (305) 358-7550 or www.bayfrontparkmiami.com.