The RUM Natatorium or Natatorio is a swimming complex on the University of Puerto Rico, Mayagüez Campus.

[3] The new complex was designed by the local firm, Fuster + Partners – Architects.

The new natatorium cost $34 million, which was paid by the "Autoridad para el Financiamiento de Infraestructura (AFI)".

[4] After an earthquake in early 2020 the building suffered damage to one of the walls near the swimming pools resulting in the area being sealed off.

This article about a sports venue in Puerto Rico is a stub.