Please be advised that you will need a car to get all the way to Sadelmakartorp
From Stockholm going south:
Drive south on road 73 (Nynäsvägen). 25 km from central Stockholm take exit to road 257 Västerhaninge/Tungelsta. Keep going on road 257 until you reach a stop-sign after about 5 km. Turn right on road 257 towards Södertälje. After 5 km turn left at Bed & Breakfast-sign
From E4/Södertälje northbound:
Take exit 144 to road 225 towards Nynäshamn. Keep going until sign Tungelsta 16 at Rosenhill. Turn left on road 257 and follow signs 8 km towards Tungelsta to the Bed & Breakfast sign on the right.
From Stockholm Central Station take commuter train to Tungelsta/ Nynäshamn. Get off at Västerhaninge or Tungelsta. From there take a taxi to Sadelmakartorp, street address Södertäljevägen 161 (cost about SEK 200).
For timetable see Journey planner