"Happy Hour InfoMixer" from 5:30 p.m. to 7:30 p.m., Wednesday at the Sheraton BWI, 1100 Old Elkridge Landing Road, Linthicum. The happy hour will feature a tech spotlight on G-Security, Inc.
The cost is $10 for members in advance, $15 for members at the door, $20 for nonmembers.
Green Markets Roundtable: Green Building Technologies from 8 a.m. to 10 a.m. Thursday at Severn Bank Building, 200 Westgate Circle, Annapolis.
The focus of the roundtable will be green building.
The event is free to members with advance registration, $25 for nonmembers and at the door.
Information: 410-222-7410, Ext. 124.
Boat shows slated for two weekends this month
The 39th annual U.S. Sailboat Show will be held Thursday through Sunday and the 37th Annual U.S. Powerboat Show will be held Oct. 16 to 19, both at City Dock in Annapolis, United States Yacht Shows announced.
A VIP event is scheduled for the Thursday of the week of each show.
Admission is $35 for the VIP Press/Trade Day events held on Oct. 9 and Oct. 16. Admission is $16 for adults and $8 for children 12 and under for Friday through Sunday events.
Information: www.usboat.com or 410-268-8828.
Bay Foundation offers oyster workshops
The Chesapeake Bay Foundation will offer "Oyster Gardening" workshops, lessons on how to grow oysters, from 6 p.m. to 9 p.m. Tuesday , and from 10 a.m. to 1 p.m. Oct. 18 and Oct. 25 at 6 Herndon Ave., Annapolis. There is a first-time workshop fee of $75. Advance registration is required.
Information: 443-482-2164 or E-mail: sreynolds@cbf.org.