Chaundre Cross, 49. (Credit: Collier County Sheriff’s Office) The Collier County Sheriff’s Office and U.S. Coast Guard are searching for a missing Naples doctor. His boat has been found, but with no sign of him. The sheriff’s office says Chaundre Cross, 49, was last seen leaving the Naples Bay Marina around 7:30 a.m. on Wednesday on his boat, ‘Vitamin Sea.’ Deputies say his family became concerned when he didn’t return home. Submit Copyright ©2023 Fort Myers Broadcasting. All rights reserved. This material may not be published, broadcast, rewritten, or redistributed without prior written consent.