San Diego, California is a great beach destination.

https://sergioppgm.bloggersdelight.dk/2024/10/06/secrets-to-efficient-travel-planing-the-5-steps-for-multi-destinational-success/

Head to San Diego, California, for an unforgettable beach getaway. Ocean Beach is a pet-friendly beach where you can enjoy swimming, sunbathing and exploring coastal trails with your dog