Downtown Castineland (also called Central Castineland) is the central business district of Castineland, Sintopia, as well as the main downtown area of the County of Castineland, the center area of the Greater Castineland area, and the most populous downtown district in Sintopia. It is a diverse residential neighborhood of over 25,000 people and is home to over 10,000 jobs and 5,000 businesses. It is also part of ten neighborhoods. It is located inside of three expressways including Interstate 25 (I-25), Interstate 75 (I-75), and Interstate 210 (I-210). Downtown Castineland is home to over 500 companies and 50 buildings.
Downtown Castineland is home to a festival marketplace called the Castineland Chamber, which is surrounded by the western straw of the Cornelius River. It is home to several other landmarks including the Statue of 2266, a concrete statue of Queen 2266, the Giant Digital Thermometer, the largest digital thermometer in the world, and the Zeitgeist Building, a tall colorful building that shows the spirits and beliefs of the world and the universe. The 2266 Bridge is a suspension bridge that takes Interstate 210 over the western straw of the Cornelius River and the only bridge in Castineland close enough to be seen from Downtown Castineland.
Downtown Castineland is known for its colorful buildings, playful parks, theaters, public transportation, government, restaurants, and other public places.