The Sirius 28 is a Canadian sailboat, that was designed by Hubert Vandestadt and first built in 1982.

[1][4] The boat was built by Vandestadt and McGruer Ltd in Owen Sound, Ontario, Canada between 1982 and 1987, with 120 examples completed.

[1][4][5] The Sirius 28 is a small recreational keelboat, built predominantly of fibreglass, with wood trim.

It has a masthead sloop rig, an internally-mounted spade-type rudder and a fixed fin keel.

[1][4] The boat is fitted with a Japanese Yanmar 1GM diesel engine of 7.5 hp (6 kW).