By Caitlin White For most Californians, the ideal vacation involves water. Looking at it, swimming in it, even just driving near it: the proximity to the Pacific and pools, spas, lakes, and beaches aplenty are part of what makes this state such a sought-after place. And that’s also why Carlsbad’s nickname, “Village by the Sea,” has persisted, not only documenting the San Diego suburb’s pastoral charm, but, above all, its coveted proximity to the ocean. Now, beautiful water doubles as a tourist attraction, but centuries ago, proximity to fresh water was essential for survival. Early settlements…