The Sirius 28 is a recreational keelboat built by Vandestadt and McGruer Ltd in Owen Sound, Ontario, Canada between 1982 and 1987, with 120 examples completed.
It has a masthead sloop rig.
Designed by Hubert Vandestadt the fibreglass hull has a fixed fin keel with a hull speed of .
The fuel tank holds and the fresh water tank has a capacity of .