The Holiday Inn Express Hotel & Suites Watertown is Watertown's newest hotel. Features include South Dakota's largest indoor waterpark with 2 1/2 story water slide (call for hours) with splash pool, sports pool, children's enchanted pool, large whirlpool and arcade. Free deluxe breakfast, free local & 800 calls, free high speed internet access. Well equipped exercise room, meeting rooms, guest laundry. Located at exit 177 on I-29. The Holiday Inn Express Hotel & Suites offers 66 rooms with 24 suites and an elevator. Visit Watertown, SD and stay smart at the Holiday Inn Express Hotel.