Marta Sanchez's works have been collected by private individuals, as well as the collections of The Fine Art Museum of St. Petersburg, Florida, The State Museum of Pennsylvania, and the Print and Paper Collection of The Free Library of Philadelphia. Marta's work is part of actor/director Cheech Marin's extensive private collection of Chicano Art which began touring in Decemeber of 2001. "Chicano Visions: American Painters on the Verge" is currently traveling throughout the United States.

Marta's public art commissions can be seen in the Philadelphia area at Simons Recreation Center and The Children's Hospital in Montgomery, Pennsylvania.