Arium East Cobb Apartments for rent in Marietta, GA on ForRent.com: (888) 331-0846 - Availability, pricing and special promotions subject to change daily. Arium East Cobb Apartments in Marietta, GA have 1, 2, and 3 bedroom apartments available. Arium East Cobb benefits from a private wooded setting and features the largest apartment homes in the Atlanta suburbs. Be enchanted by the designer interior finishes, spacious living space and features such as; washer and dryers in each home, central air and heating, elegant dining rooms and a private patio or balcony. Enjoy a relaxing swim in our crystal blue pool, or for an energizing workout, try a game of tennis or a workout in our fitness center which is available exclusively for our residents. We have a lot to offer our residence, so come for a personal tour of your new apartment home in Marietta, GA.