Casselberry is located in the southern portion of Seminole County, Florida, approximately 10 miles north of downtown Orlando. Two major roadways, U.S. Highway 17-92 and State Road 436, intersect, connecting the City of Casselberry to all of Central Florida, including Interstate 4 which less than 5 miles away and the Central Florida GreenWay which is only 8 miles away. The City is engaged in development and redevelopment along the U.S. Highway 17-92 corridor, which presents mixed use, retail and residential opportunities.
Casselberry encompasses an area of approximately 8 square miles. Located within the City are 18 parks and more than two dozen lakes, the largest of which are Lake Howell, Lake Kathryn, and the Triplet Chain of Lakes (North, South and Middle Lake Triplet).