The pair faced off as undercover cop and surfing bank robber in the cult 1991 action adventure, and Reeves has fond memories of the time he spent with the actor.
He says, "He was a beautiful person, an artist... He just wanted to experience life.
"I can say what I know -- that he lived life to the fullest. My sympathies and condolences go out to his friends and family."
Swayze lost his brave battle with pancreatic cancer on Monday, at the age of 57.
Tributes have also poured in from his Ghost co-stars Demi Moore and Whoopi Goldberg, and his Dirty Dancing love interest Jennifer Grey, who stated, "Patrick was a rare and beautiful combination of raw masculinity and amazing grace."
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