"May I 1st offer an observation that may save u potential headache and frustration: don't look for an open place to eat at 10pm if u don't already have a spot; that being said, if u find urself in the predicament of searching for an after 10pm place to eat that isn't Mexican, or fast-food, it seems like all hope is lost, go to the Del Mar Denny's. Even during a rush (on a Tues after 10pm), I was pleasantly welcomed seated. It took a while for the waitress to come around, I'm thinking the manager, Kyle, was beyond stellar! He was attentive, welcoming, apologetic (for the long wait) obviously very busy short staffed for, what was likely an unexpected rush. From pretty much no service, to the best service I've probably ever had, or witnessed (aside from myself, of course) was a unexpected, but much appreciated change in situation. The entire crew that night was great, the food was super tasty the atmosphere was fun. Kyle, however, is the 1 that turned a stress into a success. And yes, they're open 24hrs..."