[1][4][5] The Kirby 30 is a small recreational racing keelboat, built predominantly of fibreglass.
It has a fractional sloop rig, an internally-mounted spade-type rudder and a fixed fin keel.
[1][2][4] The boat has a draft of 5.50 ft (1.68 m) with the standard keel and is fitted with a BMW or Yanmar diesel engine.
[1][4] The boat has a PHRF racing average handicap of 135 with a high of 142 and low of 132.
[2][4] In a 1980 review in Canadian Yachting, John Turnbull described the design as, "Not your average thirty.