For a girl named Chelsea with an affinity for the beach, choosing a bat mitzah theme was an (ocean) breeze: a Long Beach Island-tinged celebration to mark a coming-of-age within the Jewish community, along with a mitzvah project that raised money for nonprofit Alliance for a Living Ocean.

“I came up with the LBI theme because I love LBI and I’m passionate about keeping the ocean clean,” Chelsea Palker explained a couple of months after her February fete at The Crystal Plaza in Livingston, which…