Spat on shell before it is planted at the Herring Bay Oyster Sanctuary. Image: Cheryl Costello.

VIDEO: Volunteers Plant 200K New Oysters in Herring Bay

A two-year-old oyster sanctuary gets a boost from the Chesapeake Bay Foundation and a devoted group of volunteers from Advocates for Herring Bay.

The group gave up their Sunday morning to plant spat-on-shell on an historic reef they hope will soon host wild oyster reproduction all on its own. Cheryl Costello went along for the ride in southern Anne Arundel County, Maryland. Watch below: