Here is a little about Del Mar from the city webpage.
In 1882, the Southern California Railroad began its new route from San Diego to San Bernardino. A man by the name of Theodore Loop, who worked for the railroad, instantly fell in love with what he called “the most attractive place on the entire coast.” He and his wife, Ella, built a tent city on the beach, which Ella called Del Mar after a popular poem titled, “The Fight on Paseo Del Mar.”
The same year Colonel Jacob Taylor also stumbled upon Del Mar. In 1883, he decided to take advantage of the land boom that was taking place and bought 338.11 acres of land for $1,000. Colonel Taylor designed and built a resort named Casa Del Mar, which he thought would become a resort destination for the rich and famous. It briefly thrived before succumbing to bankruptcy, flood, and fire (in that order) by 1890. Continue reading
More information regarding Del Mar can be found on Wikipedia.
Del Mar is a beach town in San Diego County, California. The population was 4,389 at the 2000 census. The San Diego County Fair is hosted on the Del Mar Fairgrounds every summer. Del Mar is Spanish for “of the sea” or “by the sea”, because it is located on the Pacific Ocean. Colonel Jacob Taylor purchased 338 acres (1.37 km2) from Enoch Talbert in 1885, with visions of building a seaside resort for the rich and famous. Continue reading on Wikipedia.
Del Mar real estate tends to be expensive along with La Jolla. More affordable San Diego beach real estate can be found in Northern San Diego communities like Encinitas, Carlsbad, and Oceanside.