Eustis is a city in Lake County, Florida. Before Eustis got its current name it was known as Highlands, then Pendryville. It later was named after Abraham Eustis, who fought in the Seminole Wars and became a prominent figure in the area. Today, Eustis is a popular destination for vacationers and snowbirds alike. The city holds its annual GeorgeFest, which is a festival in commemoration of George Washington.