From highway A1: exit 6 (from the north) and exit 7 (from the south). There are several car parks in and around Naarden town centre (see the map above). Additionally, the Gooimeer Park & Ride has bus connections to the town centre. Be sure to check the timetable first.
Naarden-Bussum railway station is 30 minutes walk from the venue, or about 16 minutes by bus including a short walk. Information about trains to/from Amsterdam, Utrecht and other destinations can be found on the Nederlandse Spoorwegen website.