No doubt the truest testament to the success of a vessel is the building of a sister ship. That has recently been demonstrated by the owners of the Porto Belo I that was launched in May of 2008. The company, Maritima MDQ S.A., returned to the same builder, Astillero Naval Federico Contessi y Cia, SA, for a sister ship which was launched January 8, 2011. Both vessels were built to a design owned by the shipyard. The 23.98 by 6.7-meter Porto Belo II has a 125 cubic meter fish hold capacity and tankage for 30,700 liters of fuel and 15,500 liters of potable water.