The Reedy Creek Improvement District is the governing jurisdiction and special taxing district for the land of Walt Disney World Resort. It includes 39.06 sq mi within the outer limits of Orange and Osceola counties in Florida. It acts with the same authority and responsibility as a county government. It includes the cities of Bay Lake and Lake Buena Vista…The Reedy Creek Improvement District is the governing jurisdiction and special taxing district for the land of Walt Disney World Resort. It includes 39.06 sq mi within the outer limits of Orange and Osceola counties in Florida. It acts with the same authority and responsibility as a county government. It includes the cities of Bay Lake and Lake Buena Vista, and unincorporated RCID land.