Ex-Padres Pitcher: You Like Waterslides? Buy My Pad!

Ex-San Diego Padres star Heath Bell has a real estate deal for you -- buy his 4,100 square foot pad ... and a get a sick party pool ... WITH A WATERSLIDE!

The 3-time MLB All-Star has put his San Diego home on the market -- 5 bedrooms, 4.5 baths with a gourmet kitchen, wine closet, the works -- but the coolest part is the party-ready backyard.

It's got a bar, a hot tub, fountains ... and did we mention the waterslide???

Price -- $1,599,000.