I just took my girlfriend to Poseidon it is right on the beach & the food was really good.  I prefer the adult beverages.  lol

https://www.poseidonrestaurant.com/

My ATF place to eat in Del Mar is Sbicca!  I just took my Mom to eat here they have excellent mimosa specials. The food is amazing!  I like to sit outside on the patio there are views of the beach.  Here is a link: