These Sigtuna Boardwalk tickets and tours are offered in multiple languages: Stockholm private tour to Skokloster Castle and Viking city Sigtuna by VIP car (From $338.07) Stockholm VIKING Tour of Sigtuna and Skokloster Castle by VIP car private guide (From $609.48) Stockholm tour to Old Royal Uppsala and VIKING City Sigtuna private guide by car (From $326.77) See all Sigtuna Boardwalk experiences on Tripadvisor