San Luis Del Mar (formerly called Saint Louis College Development Center) was inaugurated on march 20, 2004. It occupies a 1.1 hectare beachfront property in barangay Baccuit Norte, Bauang, La Union, some kilometers from the SLC Campus in Carlatan, City of San Fernando, La Union.
It was designed to provide an off-campus venue for human formation and development activities of the students and employees as well as other sectors of the community who avail of its well-appointed facilities and services such as spiritual recollections, conferences, seminars, workshops, leadership training, alumni gathering, rest and recreation as well as reception parties for weddings and baptisms.
In 2008, it was refurbished to serve also as additional learning and training center for HRM/Tourism students. For this purpose, classrooms and laboratories with top-of-the-line equipment were put. Aside from these, other facilities include a pavilion that can accommodate up to 500 participants, a function hall for seminars and the like for 150 persons, air-conditioned guest rooms, a canteen, picnic kiosks, and shower rooms. It has an on-line reservation and billing system, 24-hour security, water and electric services, electronic equipment for seminars such as LCD projectors, sound systems and computers.