Perth, Australia. This place must have the best coastline of any city of more than 1 million people in the world. It is glorious.
My preferred beach is Brighton, just south of Scarborough. It’s a solid barefoot run in the soft sand from Brighton to North Trigg, and for people with dodgy ankles like me, running in the sand is a great way to build up foot and ankle strength.And it beats the hell out of running in the ice and snow in the north Germany winter.
Flop in the water afterwards, catch a wave or two, and it is simply the best way to start the day.
(The large guy in the corner is not a relative.)