Västra Älvsala is a locality situated in Värmdö Municipality, Stockholm County, Sweden.

Statistics Sweden demarcated the settlement into a small town between 1995 and 2015 called Fagerdala.

[3] During the latter part of the 18th century, the farm was owned by the Psilanderhjelm family in nearby Brevik.

Some buildings are used as holiday homes, but with an increasing proportion of permanent residences.

[4] West of Västra Älvsala is the Morträsket wetland with bird and plant life worthy of protection.