Gordon won gold in the 50m and silver in 100m and the 200m, while Smith struck gold in the 200m and bronze in the 50m and 100m.
The other gold medallist was 11-year-old Caitlin Ahlers from Manaia who won gold in the 50m butterfly.
Kaitaia 10-year-old Tai Murray from the Nga Papahu Swimming Club was also in the medals, winning silver in the 100m breaststroke and bronze in the 50m breaststroke and 100m freestyle.
The other medal winners were 12-year-old Samantha Bailey from Whangarei who won bronze in the 100m and 200m butterfly, Dargaville's Lathan Hutchinson-Walters, 12, who won bronze in the 50m backstroke and Whangarei's Ariel Kelman, 11, who won bronze in the 200m freestyle.
Meanwhile, the next major carnival for Northland swimmers is the Auckland Age Group Championships, which will be held at the West Wave Aquatic Centre in Henderson, from December 6-8.