Located outside San Diego in San Marcos, eaves San Marcos is an Avalon community with convenient shopping, Restaurant Row and colleges nearby. Located outside San Diego in San Marcos, eaves San Marcos is an Avalon community with convenient shopping, Restaurant Row and colleges nearby. Easy access to major highways including 15 and 78 and a short drive to some of the area's best beaches. eaves San Marcos apartments feature updated kitchens with stainless steel appliances in select homes, updated baths with modern finishes in select homes, updated courtyard with grills and lounge seating, updated basketball court, tennis court, and tot lot, and swimming pool and spa with updated sun deck and grilling areas