Marscay was a champion Australian Thoroughbred sire and racehorse.
[1] Marscay was owned by Geoff and Beryl White and trained by successful Sydney trainer Jack Denham.
As a two-year-old Marscay won the richest sprint race in Australia, the 1982 Golden Slipper, Group One, over 1200 metres at Rosehill Racecourse.
As a three-year-old Marscay won the Group 2 Hobartville Stakes defeating champion Strawberry Road.
Marscay stood at Widden Stud in the Hunter Valley.