Beach yoga has really taken off in recent years and we have a number of classes in Tynemouth for those wishing to explore mindfulness, wellness, relaxation and fitness.
Google will help you find the right class and instructor for you but here are a couple of established ones...
You can also join a regular beach boot camp...
https://www.davidfairlambfitness.co.uk/beach-bootcamp/dff-beach-bootcamp/.