Club Carnivals Prior to 2006
Up until 2006, Parramatta City Swim Club held an Annual Sprint Carnival each year. These carnivals were normally held in August or September. Photographs from many of these carnivals can be found on the Club History page.
In 2013, the Club instigated a TriClub carnival with Parramatta Memorial Swim Club and Merrylands ASC. This interclub carnival aimed to promote some friendly rivalry between the clubs and build club spirit within each of the clubs. In more recent years McCredie Park Aquatic Swim Club has replaced Parramatta Memorial as the third competing club
Winner Clubs of the TriClub Cup have been
2013 - Merrylands
2014 - Parramatta City
2015 - Parramatta City
2016 - Merrylands
2017 - Parramatta City
2018 - Parramatta City
Junior Dolphins Carnivals
For the past four years, the club has held a Junior Dolphins Carnival in March at Granville Pool. This carnival is free to enter and open to all. The carnival which has been described as "organised chaos", it one of the highlights of the club's year.