People can be heard screaming, cheering, and yelling "f*** them up".
A couple of women appear to try to stop the attack on the person on the ground before several police officers arrive and the fighters flee.
The video shows a police officer raising something in their hand and a group of people rushing away covering their faces.
The person filming can be heard saying the group have been pepper sprayed.
A police spokesperson said officers were called at 5.11pm yesterday to reports of disorder and fighting.
"A group of youths and adults were fighting in the carpark.
"The crowd scattered once police arrived."
The pool was closed for a time after the fight.
No injuries have been reported.
No one has yet been arrested.