Yes, Brisbane Airport has multi-denominational prayer rooms in both the International and Domestic Terminals that serve as a musalla for Muslims.

The prayer room at the International Terminal has been temporarily relocated to Level 3, after security, opposite gate 78.

Yes, there is a unisex/disabled toilet next to the prayer room that can be used for wudu. Additionally, general public toilets throughout the terminals can be used for ablution.

No, Jumu'ah prayers are not held at the airport's multi-faith prayer rooms. However, a Musalla at AirPark 2, near the Domestic Terminal, reportedly holds Jumu'ah prayer.