An Instagram video posted by a female in attendance shows the three Dockers dancing with friends at a gathering of seven people in Perth lounge room on Sunday.
The vision surfaced before social distancing laws were relaxed by Western Australia.
A Fremantle spokesperson told the Daily Mail that the club looking into the incident.
‘We have been made aware of a video of a small gathering of people at a home on Sunday night, including three Fremantle players,’ the statement read.
‘We are in the process of speaking to the players involved and gathering all the relevant details and information.
‘Once that is completed, the club will be in a position to comment further.’