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Plastic waste and its low recycling rate contribute to environmental pollution, requiring valorization strategies This work presents the design and preparation of traditional and mix concrete with replacement of 2.5%, 5.0%, 7.5% and 10% of fine aggregates by recycled plastic of the ocean. With the prepared concrete mixes, cylindrical specimens of 15cmx30mm in diameterxheight, respectively, were made. Slump, density, compressive strength, and elasticity modulus were evaluated. The results exhibited that an increase in the content of recycled plastic generates a decrease in slump and density, as well as an increase in strength and elastic modulus. Specimens with 7.5% exhibited the highest strength (18.9 MPa) equivalent to 91% of the traditional one (20 MPa). The results gathered would form a part of useful information for recycling plastic waste in the preparation of concrete that requiring moderate strength.

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