2026 Forest River RV Sandpiper 3800RK, The 2026 Forest River Sandpiper 3800RK is a residential-style fifth wheel with four slide-outs, a spacious rear kitchen, and sleeping accommodations for up to four. Its thoughtful layout separates cooking, living, bathing, and sleeping areas for added comfort during longer trips. The rear kitchen offers generous counter space, a breakfast bar with stools, a three-burner range with a 24-inch oven, and a 16-cubic-foot stainless-steel 12V refrigerator. In the living area, theater seating and a hide-a-bed sofa provide comfortable places to relax across from the 50-inch flat-screen TV. A desk with a chair creates a convenient workspace. Up front, the private bedroom features a king bed slide, dresser storage, and bedside USB ports. The impressive front bathroom includes dual sinks, a shower with a seat, and a walk-in closet with shelving. A separate utility room with washer and dryer prep can serve as a laundry area or additional storage space. Exterior conveniences include a flat-top cooktop, automatic electric leveling, pass-through storage, 200-watt solar, and two electric awnings with LED lighting. Dual 15,000-BTU air conditioners, a 40,000-BTU furnace, heated holding tanks, and an on-demand tankless water heater support comfortable extended stays. Experience the spacious design of the Forest River Sandpiper 3800RK at Collier RV.