We have NJTransit Buses. Other than that, public transportation is limited. As with Nj Transit, the buses don't operate thourought the county:
for example here's the routes in my area:
501-Brigantine
502-Atlantic Cape Comm. College
504-Ventnor Plaza
505-Margate/Longport
507-Ocean City
508-Absecon/Galloway
509-Northfield-Somers Point
We also have NJ Transit Commuter Rail from ACY to Philadelphia with stops in Atlantic City, Absecon. Egg Harbor, Hammonton, Atco, Cherry Hill, Lindenwold, and Philadelphia.