The Swimming Center M-86 is a complex of pools in southeast of Madrid, Spain.
The headquarters of the Royal Spanish Swimming Federation are located there.
The complex was built to host the 5th World Aquatics Championships held in August 1986.
The name of the swimming center is derived from this event (M-86: Madrid 1986).
[citation needed] The indoor pool of the M-86 Swimming Center has staged the following events: