When we visited in 2004, the weather was cold with day time temps in the 40s. Climbing up and over the sand dunes to get to the beach in our winter jackets made me do a double take - in that kind of winter mindset the sand really looks like snow:
Here is a view of the dunes from the beach. I love that you can see my foot prints, though it definitely looks less like snow from this angle.
Look how little a 5 and 1/2 year old T was!
Another great feature of the park is access to beautiful sunrises and sunsets - here is the sunrise over the bay: