EXISTING OFFICE STRUCTURE & RESIDENTIAL DEVELOPMENT OPPORTUNITY. 100 Border Avenue is over half an acre located at the western edge where Solana Beach meets Del Mar just steps from the Pacific Ocean. The lifestyle offered by this premier location is unsurpassed. Where small-town charm blends with access to an array of coastal activities, restaurants, and music. Home to top-notch schools, both private and public, and conveniently located near railway access and just steps from the renowned Coastal Rail Trail offering miles of safe, clean paths to walk or bike. Dog Beach, Seascape Sur, Fletcher Cove, and Del Mar Powerhouse Park are all beaches within a short stride from this exceptional location. Bike to Annie’s Canyon Trail for a unique hiking experience, catch a concert at the Belly-Up, indulge in the thrill of betting on the ponies at the world renowned Del Mar Racetrack, and settle it to watch the 4th of July fireworks over the twinkling lights of the annual fair from your patio