Valle de Bravo
From Mexico City, take the metro to the Western bus terminal. Multiple companies run an hourly service to Valle for 100MXN.
From Toluca airport, take a taxi direct to Valle.
Taxis. They're eveywhere.
There are plenty of nightclubs in Valle de Bravo that are geared towards tourists and weekend locals.
Lots of accomodations to find at Todo Valle. Already decent accomodation for 2000MXN/week/person.