What: The "World-Famous Mermaids of Florida's Weeki Wachee Springs" will perform a live show of aquatic marvel in the Great Ocean Tank. Shows will last approximately 20 minutes. Photo opportunities, educational programs and family-friendly stations will be available during and after the shows.
When: 11 a.m., 1:30 p.m. and 3 p.m.
Where: South Carolina Aquarium, 100 Aquarium Wharf, downtown Charleston
Price: Included with general admission price.
More Info: 577-FISH or scaquarium.org
What: Tricounty Family Ministries will offer free medical assessments today. Free lunch, groceries, clothing and prescription assistance are also available.
When: 9:30 a.m.-1 p.m.
Where: Tricounty Family Ministries, 3349 Rivers Ave., North Charleston
More Info: 747-1788 or tricountyfamilyministries.org
What: The Charleston Symphony Orchestra League's 37th Annual Designer Showhouse is an antebellum villa located in historic Harleston Village. The property, now transformed into a showcase of the latest trends in interior design, is open to the public and guests can enjoy an exclusive boutique, designer sales and alfresco dining in a "secret garden."
When: 10 a.m.-4 p.m.
Where: CSOL Designer Showhouse, 67 Rutledge Ave., downtown Charleston
More Info: 723-0020 or csolinc.org
What: Author and activist Julia Hill will speak on her life and work, particularly the two years she spent living in a California redwood tree to protest diminishing old-growth forests.
When: 7 p.m.
Where: Physicians Memorial Auditorium, College of Charleston, 3 College Way, downtown Charleston
More Info: 953-7532 or sustainability.cofc.edu/initiatives/planning-and-integration/student-projects.php