The death of former Iceland's Mike Thalassitis contestant is not considered suspicious.
The police and London ambulance service were invited to a park near Latimer Vai, in Edmonton, in northern London, on Saturday.
The police said the man was pronounced dead at the crime scene.
The 26-year-old real-life star and semi-professional footballer, found fame on the ITV series of 2017, featuring Love Island.
He earned the nickname "Muggi Mike" after being in partnership with girlfriend Chris Hughes Olivia Attvood.
A statement from the Metropolitan Police said: "The police were invited to a park near Latimer Vai, N9, on Saturday, March 16 at 9:28 am.
"The police and the London ambulance service attended and found a dead man, an old twenty-year-old.
"At this early stage, death is not treated as suspicious. Police are in the process of informing their closest relatives. A dossier will be prepared for the coroner.
Talasitis, originally from Cyprus, was born in Edmonton and played for clubs including St Albans and Chelmsford.
In the United Kingdom, Samaritans can be contacted at 116 123 or by e-mail email@example.com. In the United States, the National Suicide Prevention Line is 1-800-273-8255. In Australia, Lifeline Emergency Response Service is 13 11 14. Other international suicide assistance lines can be found at vvv.befrienders.org.