A sponsored ministry of the Dominican Sisters of Hope, Mariandale is an ecumenical retreat and conference center conveniently located 35 miles north of New York City in beautiful Westchester County, New York, five minutes from the Croton Harmon Metro North train station. We offer programs covering various dimensions of religion and spirituality from a Christian perspective. In addition, many non-profit organizations also make use of our beautiful facilities and picturesque environment on the Hudson River. We are known for the diversity of the groups that call Mariandale their home and for our welcoming hospitality.