Montecito is located to the southwest of Burnaby Mountain, between Kensington Avenue to the west and Greystone Drive and Arden Avenue to the east. Halifax Street and the Lougheed Highway form its northern and southern boundaries respectively. It used to be part of a larger Lochdale neighbourhood.
The area is served by several bus routes such as #134, #144 and #136. Sperling – Burnaby Lake Station is directly to the south.