i think there are some natural “ion” effects from the surf. i believe negative ions are released, the same as the ones u get when u buy one of those ion-generators to improve your mood (and collect dust).

http://www.webmd.com/balance/features/negative-ions-create-positive-vibes

The action of the pounding surf creates negative air ions and we also see it immediately after spring thunderstorms when people report lightened moods,” says ion researcher Michael Terman, PhD, of Columbia University in New York.

I live near the water and always feel better walking up and down the beach. I’d rather be in the mountains or by the sea….not on the plains.

A doctor told me that people live longer at higher altitudes (5–6k ft or or more
above sea level).