A 20-year-old man from Swindon died after becoming tangled in weeds while swimming with friends in a lake.
Robbie-Jay Sims got into difficulty after making his way to a yellow buoy in Lake 26 in Cotswold Water Park on July 18, 2022.
Paramedics called to the scene could not revive the 20-year-old.
An inquest held at Swindon and Wiltshire Coroner's Court on Thursday recorded the warehouse worker from Toothill's death as an accident caused by drowning in freshwater.
The inquest, chaired by senior coroner for Wiltshire David Ridley, heard that Robbie went to the lakeside at Whitefriars Sailing Club in Ashton Keynes at around 4.45pm and entered the water with his friends.
They got out of the lake ten minutes later and noticed that Robbie had swum further out to a deeper area.
On his way back to shore, he started flailing his arms and saying that he could not breathe. At first, they thought he was joking - but then he disappeared from sight.
They called for help and nearby members of the public jumped in to search for Robbie.
After around eight to 15 minutes, he was found tangled in the weeds and pulled to dry ground.
Ambulances responded to 999 calls that came in just after 6pm. Paramedics began CPR and tried to save the young man's life, but he was pronounced dead at 7.04pm.
Police noted that there were 'No swimming' and 'Beware of deep water and weeds' signs on the paths near the grass verge where the group entered the water. The lake is mainly used for fishing and sailing.
Mr Ridley added: "It does serve as a warning to any member of the public that swimming in cold water can be dangerous, and swimming in areas that are not designated for swimming carries its risks."
He expressed his sincere condolences to Robbie's family and friends.
Robbie's loved ones gathered at the sailing club last July to release balloons in his memory and say goodbye.
They described him as a kind, genuine, fearless, and unique person who was talented at everything he tried and loved grime music.
Dad Robert Sims said at the time that Robbie was the best son and brother, adding: “He didn’t have a bad bone in his body and he never got stressed about anything. I miss him so much and I would have done anything for him.”
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