Finding venues for a memorial in Atlanta need not be a difficult task. The city offers a wide range of options, including churches. As the classic choice for Americans, churches provide peaceful, tasteful backdrop for a memorial service. If the departed was a member of the church community the venue offers a familiar feel surrounded by supportive people.
Renting a church for a memorial service is best done through the church. Ask the pastor what's involved in booking space. You may be limited in how many people you can invite, what sort of amenities are included, or how long of a service is possible.
For non-Christians or irreligious people, you could look into gardens instead.
Rustic wedding venues and private event mansions offer beautiful, well cared for surroundings. The majority are countryside venues so you won't have any of the noise of downtown Atlanta to deal with.
These venues are also easy to customize to fit a given design. Banners, flowers, music, seating, and other accessories are easy to bring. Some memorial services include food and drinks, especially celebration of life events, which are more festive occasions for the departed. For these sorts of memorials, you're best off coordinating with the venue staff. Catering, music, and other entertainment may be bookable through them, saving you time and expense!