Crime Solvers Central
CSC
221 Cases Solved. Advancing justice for missing persons, unsolved homicides, unidentified and unclaimed remains.
Case Description
Any updates on this case? Let us know!
Constantine George Theoharis, a 52-year-old commercial real estate agent, was last seen on the morning of March 20, 2018, in Fort Lauderdale, Florida. He was seen on a neighbor's surveillance camera heading into the Atlantic Ocean on his paddleboard at approximately 6:30 or 7:30 a.m. behind his home in the 3000 block of North Atlantic Boulevard. Theoharis, an experienced diver and boater, was very familiar with the water. He has not been seen or heard from since.

At the time of his disa ...Read More
Last Seen: Mar 18, 2018
Links to Additional Sources (3)
See any mistakes? Let us know!
Victim Details

Jan 26, 2026

Jan 26, 2026

Constantine

George Theoharis

52

52

5'9 inches

160 lbs

White

Male

Theoharis was last seen on a paddleboard in the Atlantic Ocean behind his home in the 3000 block of north Atlantic Boulevard in Fort Lauderdale, Florida at 6:30 a.m. on March 18, 2018. The paddleboard is described as a Riviera Stressed White All-Arounder model, 11.6 feet long by 33 inches wide by 4.87 inches thick. It has a single-fin box with black cordage for strapping things down. A photo of it is posted with this case summary. Theoharis left his home and headed north into the ocean on his paddleboard. He never returned home and has never been heard from again. He left behind his phone, wallet, keys and passport, but his fins, mask and weight belt were missing from his diving bag. The diving equipment and paddleboard have never been recovered. According to his ex-wife, he lived a "flamboyant and expensive lifestyle" with trips to Costa Rica, the Bahamas and ski resorts, while at the same time owing $549,000 in child support for his two teenage children, and refusing to pay it. His ex-wife stated he had not paid any of his child support since 2014. Theoharis's family described him as depressed and stressed over the problems in his life, including the child support issue and the care of his elderly parents, at the time of his disappearance. His uncle speculated he could have taken his own life, and his cousin thought he could have run away to escape his obligations, but there is no evidence to support these theories. He is a frequent paddleboarder and is described as an avid boater and diver who's very adept in the water. His case remains unsolved, but he is presumed drowned.

Mar 18, 2018

Fort Lauderdale

Florida

Fort Lauderdale

5

Fort Lauderdale Police Departmen

954-828-5690

01/26/2026