The Mariah 27 is an American sailboat that was designed by Graham & Schlageter as a Midget Ocean Racing Club (MORC) racer and first built in 1986.
[5][6] The Mariah 27 is a racing keelboat, built predominantly of fiberglass.
It has a masthead sloop rig, an internally mounted spade-type rudder controlled by a tiller and a fixed fin keel.
[1][3] The boat has a draft of 5.00 ft (1.52 m) with the standard keel.
The boat is normally fitted with a small outboard motor for docking and maneuvering.