When we say "ice age" we usually mean the one that ended about 10,000 years ago. In the popular science narrative (SciPop) this was the last of several retreats and advances of polar ice over the last 10,000-40,000 years.
Which Ice Age?
Extensive Glaciation in Southern Hemisphere
Creationists don't seem to grasp the concept that Noah's flood and Peleg's tectonics are separate events, and they don't seem to have a coherent answer to the question: "where did the flood waters go?"