Tough one. I've lived on both coasts and neither would be my choice as an optimal place to live. If one had the money to be a little selective and wasn't tied to a large city, one could find a place on either coast that would give a good quality of life. I'm pretty fed up with the shallowness of West Coast culture, so today, I'd probably opt for the East Coast. But, it could go either way.
Couldn't do the east coast at all. I'm as far south and east as I ever want to be. I will never live east of I35 ever agin. And if I had to do one it would be Oregon as well to many libtard's in comifonia for me. Or alaska. But I'd prefer the Ely valley area of Nevada will most likely retire there.
I heard somewhere that something like 75-80% of the population lives within 30 miles of a ocean.
Seems reasonable, but the flocks of nutburgers who ended up on the ocean coast puts me off.
I will say after all my travels the golden coast up in Oregon would be hard to beat.