Guaita will officially join Crystal Palace on July 1 when his Getafe contract expires
The 31-year-old will join on a free transfer on July 1 after his contract with the LaLiga club expires.
Guaita missed just four league matches in 2017/18
Palace chairman Steve Parish said on the club’s official website: “We are delighted to sign one of LaLiga’a best goalkeepers and pleased that we beat off the competition for his signature.
“We very much look forward to Vicente joining in pre-season training and helping us push on in the Premier League.”