A bonfire at one of the fire pits at Las Gaviotas is a must.  Start your evening with a beach BBQ at one of the charcoal BBQ grills.  Follow it up with smores at a fire pit.  End your evening with sending up some Chinese lanterns into the night sky.

Las Gaviotas Physical Address
Careterra Libre Tiajuana-Ensenada Km.#41.5
Playas de Rosarito,BC Mexico 22710