There are tons of options for really active, fun, party communities in Orlando. Look for communities with other amenities like a resort style pool, fitness center (and maybe even Fitness Classes), and resident activities. Communities that offer these types of amenities are usually always buzzing with activity. Some Orlando apartments even hold there own pool parties complete with DJ's and food for residents.
Instead of living in an apartment community that is prone to partying, you may want to check out apartments in areas of town that have a vibrant culture and plenty of places to go out and party outside of your apartment. Try this list:
Downtown Orlando
Winter Park
International Drive
Or, you may want to use
Yelp to identify party hot spots in Orlando.