Robert Sean Eckstein, 43, was last heard from on January 8, 2026, when he made a phone call from work. He was last known to be in the Naples, Florida area. Eckstein is described as a Black man, 6 feet tall, about 285 pounds, with black hair and brown eyes. The Collier County Sheriff’s Office is investigating his disappearance under case number 26-10523.

NamUs created a record for Eckstein on April 9, 2026; the entry was modified on April 10, 2026. No public details have been released about what he was wearing, any vehicle he may have been associated with, or other circumstances surrounding his last contact. If anyone has information about Robert Eckstein’s whereabouts, please contact the Collier County Sheriff’s Office at 252-9300 or the Florida Department of Law Enforcement’s Missing Endangered Persons Information Clearinghouse.