The following Unions administer the rugby competitions in which the Roos take part:
Manly Junior Rugby Union
http://www.mjru.rugbynet.com.au/
The MJRU runs the minis competition for all Manly area clubs: the Manly Roos, Seaforth Raiders, Harbord Harlequins and Forest.
Sydney Junior Rugby Union
http://www.juniors.rugbynet.com.au/
The SJRU runs the competition for all Manly Roos juniors teams (U10-Open). The competitions run across Sydney, with every attempt made to group teams in local areas.
Waratahs Home Page
http://www.nswrugby.com.au/
ARU Home Page
http://www.rugby.com.au/
