Horizon Bay in Carrollton is located in a small town 48 miles outside of Atlanta, Georgia. Our apartment-style community offers all of the amenities of home without the work. Imagine a life without household chores, yard work, or home maintenance. Invite guests to a meal, special event, or social outing. With our on-site Resident Program Director, scheduled transportation, and dining program ? there are opportunities to make new friends or entertain old ones right outside your front door.