Lusby tree lighting ceremony, Santa Claus, live music, caroling, face-painting and hot chocolate. Sponsored by the Lusby Business Association. 5:30 p.m., Lusby Commons shopping center, Lusby. Free. www.shoplusby.com.
All-you-can-eat breakfast, and photos with Santa. 8 a.m.-1 p.m., Bay District Volunteer Fire Department, 46900 Shangri-La Dr., Lexington Park. Adults, $8; ages 5-12, $5.
Child safety-seat inspection, a check on the condition and installation of safety seats and boosters, required for children 7 and younger. Sponsored by the Maryland State Police. 10-2 p.m., Wal-Mart,
40 Drury Dr., La Plata. Free. 301-392-1241 or Melanie.email@example.com.
Breakfast with Santa, two seatings, at 8:30 and at 11 a.m. The Inn at Brome Howard, 18281 Rosecroft Rd., St. Mary’s City. $28; children, $18. Reservations required. 240-895-4990 or firstname.lastname@example.org.
Wreath-making workshop, 10 a.m. and 12:30 p.m., Jefferson Patterson Park and Museum, 10515 Mackall Rd., St. Leonard. $25. 410-586-8501 or www.jefpat.org.
Hazardous waste collection, free for St. Mary’s County resident. 8 a.m.-4:30 p.m., St. Andrew’s landfill, 44825 St. Andrew’s Church Rd., California. To see what items will be accepted, go to www.co.saint-marys.md.us. Free. 301-863-8400
“From This Day Forward” historic house event, a candlelight holiday celebration at the 1703 Sotterley Plantation house. 6:30-10 p.m., 44300 Sotterley Lane, Hollywood. $15; reservations required. 301-373-2280 or www.sotterley.org.
Christmas market, with refreshments and door prizes. 8 a.m.-2 p.m., Old Fields Chapel, 15837 Prince Frederick Rd., Hughesville. 301-274-3480.
Christmas greens show, centerpieces, swags, design-presentation tips, silent and live auctions. Hosted by the Chesapeake Garden Club. 11 a.m.-2:30 p.m., All Saints Church, 100 Lower Marlboro Rd. (routes 2 and 4), Sunderland. $10. 301-812-2576.
Open skate night, for all ages, sponsored by St. Mary’s County Department of Recreation and Parks. 6-9 p.m., Leonard Hall Recreation Center, 23145 Leonard Hall Dr., Leonardtown. $5; skate rental, $2.50. 301-475-4200, Ext. 1800.
Home tours, tour six homes and the St. Clements Island Museum; with box lunches and a raffle. Sponsored by Health Share of St. Mary’s. 11 a.m.-4 p.m. $50, or $10 per individual site. 301-475-2129.
Holiday bazaar, including vendors and holiday craft. 10 a.m.-3 p.m., Wildewood Community Center, 22961 Wildewood Dr., California. email@example.com.
Monday morning movies, stories, songs and movies for children and their caregivers. 10-11 a.m. Calvert Library Prince Frederick branch, 850 Costley Way. Free. 410-535-0291 or 301-855-1862.
Book discussion, “The Paris Wife,” by Paula McLain. 7 p.m., Charlotte Hall Library, 37600 New Market Rd. Free. 301-884-2211.
E-books workshop, take a laptop or tablet computer and learn how to check out electronic books. 10-11 a.m., Leonardtown Library, 23250 Leonardtown Rd. Free. 301-475-2846.
Evening story time, for children and their family members. 6 p.m., Lexington Park Library, 21677 FDR Blvd. Free. 301-863-8188.
E-books workshop, take a laptop or tablet computer and learn how to check out electronic books. 1-2 p.m., Leonardtown Library, 23250 Leonardtown Rd. Free. 301-475-2846.
Zombie discussion, for teens and adults. Come in zombie attire and learn how to survive an invasion. Note: Zombie fear-factor and flash mobs could happen. 6-8 p.m., Leonardtown Library, 23250 Leonardtown Rd. Free. 301-475-2846.
Evening story time, for children and their families. 6 p.m., Charlotte Hall Library, 37600 New Market Rd., Charlotte Hall. Free. 301-884-2211 or 301-475-2846.
“Retire Gracefully” workshop, the last of a series of lifestyle discussions. 7 p.m., Calvert Library Prince Frederick branch, 850 Costley Way. Free. 410-535-0291.
Mail: Community Calendar,
Southern Maryland Local Living,
The Washington Post, 3 Church Cir., Annapolis, Md. 21401.