I went to La Jolla Cove (probably one of the nicest beach areas in San Diego) and got a few half decent shots. D3100 50mm f/1.8. I really need an nd filter.
Go with Tiffen for non-variable. I have two for my kit and 50mm. If you go variable (which is expensive but worth it) go for Genustech (what I have on my L lens) or Polaroid if you're on a budget ($50 or so).
Beautiful place
These are some wonderful graphics, if I were you I would photoshop them a little bit to your liking and make them a desktop background.
The 3rd picture really calms me.
Good shots you got there.
The animals in the second pic look like there having a great time laying in the sun. I might use that one as my desktop back round. Looking good