Jersey swimmers Harry Shalamon and Nathan Corrigan made finals at the 2015 Commonwealth Youth Games in Samoa.
Corrigan, 15, set a new personal best of 4:43.93 to come seventh in the 400m individual medley, while he also equalled his 100m breastroke best.
Shalamon finished eighth in the final of the 50m backstroke after his feet slipped on the wall at the start.
Olivia Pollard set a new personal best in the 100m freestyle as she swam 59.39 to finish 12th overall.
Elsewhere, Philip Williams ran a new personal best of 22.40 in the 200m, but did not progress, while Sam Maher was fourth in his heat of the 800m.