A 23-year-old St Mary’s man died suddenly following a gig race on Friday evening.
Lifeboat engineer Nathan Woodcock had been competing with the crew of the Bonnet when he collapsed as the race ended.
He was treated by medical staff at the scene but they were unable to revive him.
Nathan, a father-of-one, was the son of Islanders Derek and Melanie Woodcock.
He was one of four St Mary’s men training for a transatlantic rowing race next year.
He and Joel Bond, 23, Tim Garrat, 24, and Chris Jenkins, 42, were aiming to beat the record for a four-person crew set more than a century ago.
Islander David Jenkins told the BBC: “He was a very popular guy, born and bred on St Mary’s. He had his dream job, he met his partner a couple of years ago and they had a baby daughter. Everything was looking good for him.”
The Scillonian Club cut local band Touching Cloth’s performance short on Friday night as a mark of respect.