The Orlando Sentinel reports that the crowd met Tuesday in George and Cindy Anthony's Orlando-area neighborhood, near a wooded area where the little girl's remains were found in December 2008.
Bring Kids Home, a nonprofit group that helps missing and abused children, wants to build a memorial at the site. The project, set to be designed by artist Jefre, will need county approval.
Caylee's mother, Casey Anthony, was charged with murder in the child's death but found not guilty by a jury last month and released from jail.
