Lidingö is a municipality with about 45,000 inhabitants, consisting of the main island Lidingö, and some minor islands. Lidingö contains suburban areas, a nature reserve, and an array of conference centers on the Elfvik peninsula.
Lidingö is connected to Stockholm by two parallel bridges at Ropsten, the end station of the subway. The light rail Lidingöbanan, as well as buses, carry on to Lidingö. Just as inner Stockholm, Lidingö is in the inner public transport zone.
Lidingö is also well within reach for bicycles from central Stockholm, with stands for Stockholm City Bikes. 
Sjövägen is a public transport ferry from Nybrokajen in downtown Stockholm, as well as Nacka. 
Most of Lidingö is easily accessed by bicycle or car.
Millesgården, Herserudsvägen 32 (on Lidingö, T Ropsten and then the Lidingöbanan train to Baggeby or buses to Torsvik), +46 8 446 75 90, . Open M-Su 11:00-17:00 15 May-30 Sep, Tu-Su noon-17:00 1 Oct-14 May. In the former residence and studio of the famous sculptor Carl Milles, his own work is showcased alongside contemporary Swedish and international artists. A new extension was recently built for temporary exhibitions. Adult admission 80 SEK.
Bosön, the Swedish Sports Confederation's center for training. Several world-famous athletes work out here.
Fjäderholmarna is a group of small islands, separate from the main islands, reached by ferry from Stockholm.
Lidingö kyrka, the 16th century town church, beatifully situated at a waterfront hill.
Hiking and cycling all across the island.
Fågelöudde, a beach, most frequented by families.
Kottlasjön, a lake for bathing in the summer, and ice-skating in the winter.
Ekholmsnäs, a semi-artificial hill, a downhill ski slope, with equipment rental. With artificial snow, it keeps open as long as temperatures are below zero. Great view. Mountainbiking during warm seasons.