Marine pollution is a well-known and growing problem in recent decades. The volume of plastic waste is increasing and some of it can be observed inside ports, occasionally accumulating due to water currents or winds. The collection of these plastics or floating waste, if carried out, requires a laborious and manual activity in most cases, and it is important to do it before they can sink, since their collection would be much more complex. Current waste collection systems are sparse, complex and, in all cases, require an energy supply to power the mechanics on which they are based. This work is based on the reality that, despite the existence of a known environmental problem and a series of proposals for accessible solutions, none of them has been imposed. This paper describes a possible device to contribute to the collection of plastics and floating garbage, aimed at the installation inside ports with a series of characteristics based on current systems. The device that is presented combines existing elements, such as a turbine, and incorporates environmentally sustainable systems for its operation. The proposed system aims to contribute in a sustainable way to the environment and, specifically, to the collection of plastics in port environments with the aim of establishing a future starting point for the increase in the use and development of this type of device.