Here's a shocker, Shaun White does not snowboard every second of every day -- and the Olympic champ made that clear by dropping almost $4 mil on a brand new BEACH HOUSE!!!!

White recently nabbed the 3,500-square-foot crib in Encinitas, CA -- and despite the $4.25 mil price tag, the boarding master managed to knock off $400k in negotiations ... and bought it for a cool $3.85 mil.

Read the whole story at www.tmz.com