Jersey swimmers won five county titles and 51 medals at the Hampshire County Swimming Championships in Southampton.
Black was one of 12 Jersey swimmers to win medals at the event
Ian Black has four senior county titles to his name after winning the 200m and 400m individual medley and the 100m and 200m breaststroke open finals.
JJ Gallichan picked up Jersey's other senior title in the 400m freestyle.
Nathan Jegou from AIB Tigers Swim Club told BBC Radio Jersey: "Ian's worked hard over the years and it proves being a senior swimmer is ideal for him."