Set on 103 acres of verdant landscape, this secluded RV park and campground makes for a peaceful oasis just a short drive from Wisconsin's big cities. Sun Retreats Fond Du Lac East features short-term and long-term Seasonal RV sites, tent sites and vacation rentals in a beautiful setting.  Sun Retreats Fond Du Lac East features short-term and long-term Seasonal RV sites, tent sites and vacation rentals in a beautiful setting. Lace up your tennis shoes for games of shuffleboard, pickleball or basketball, or play a game of sand volleyball. After lunch, swim in one of three heated swimming pools, then, indulge your sweet tooth with an ice cream cone at the snack bar before trying for a hole-in-one at the mini golf course.