In 2017 we did stay a few days in Bang Saray. Everyday in the late afternoon I made a small bicycle ride along the beach. It is such a lovely place, people enjoying sunset with food & drinks, schoolkids meeting each other and the sound of the waves. I love it! If you like some help with organizing your holiday in Bang Saray or anywhere in Thailand send me an email at The Little Elephant Traveling in Thailand.
Update 2022 : Although Bang Saray has changed since 2017 the beach is still the same beautiful.