In addition to the towns that were suggested from the agents below, some other towns to consider are Morristown, and Summit. Both have direct train stations to New York and downtown areas with dining and entertainment.
Feel free to contact me if you would like further assistance.
Montclair comes to mind when reading your question.
It's only about a 15 minute or so drive from Newark and has a walkable dowtown area
( Bloomfield Ave ), nightlife and convenient bus and train commuting.
South Orange and Maplewood are great options too with public trans and downtowns.
Parts of Kearny or Harrison may appeal to you too, along with the Ironbound section of Newark
(around Ferry St ) which has its downtown area where you can dine, shop, and enjoy the nightlife.
This area is walkable to Broad Street and the #1 bus runs through that area.
Let me know if I can assist further!
Licensed Realtor in NJ and GA
Great question and you have many wonderful options. South Orange and Maplewood are suburban communities very nearby. Both have walkable downtown areas and quick train access to the Broad Street station. Please feel free to give me a call at 973-698-3308 or email me directly for more insight and information, there are so many facotrs to consider when selecting a community including your lifestyle and whether you are considering buying or renting