The Pocket Beach

The boarding chime went off at Gate C9 and nobody stood up. Outside the glass, the tarmac was bleached white by noon, and a single gull stood on the jet bridge as if it had a ticket.

Across the aisle, a girl in a sun-faded t-shirt was trying to close a Ziploc bag. Inside it, a dozen small shells clicked against each other. White, brown, one pinkish at the lip. She had arranged them by size on her tray table before, like a careful museum. Now she was trying to make them fit into her backpack without crushing them.

We have all been that girl.

The question trends every August, right on schedule: can you bring seashells home. The answer is dutifully bureaucratic. Yes, if they are empty. No, if something still lives in them. No queen conch from the Caribbean, no sand dollars in some states, no sand at all from Hawaii. Declare them. Rinse them. The TSA does not mind, but agriculture might. It is the sort of thing people Google while their ankles are still sandy.

What interests me is not the regulation but the impulse it is trying to regulate.

A beach is an impossible thing to remember accurately. The light is too bright, the hours too shapeless. You come home with a sunburn in the exact shape of your shirt and very little else that will stay. So you pick up a shell. It is small, hard, free. It fits in the palm exactly where memory does not.

We put it in a pocket. We put the ocean in a pocket. Of course customs is suspicious.

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The customs hall is the only place in an airport where you are asked to account for your nostalgia. Food, plants, shells, sand. Anything that might grow. The form asks, in its flat way, if you are bringing back anything that was once alive. Most of us are. That is the point of going away.

The officer at the table is not unkind. He has seen ten thousand Ziplocs. He knows the difference between a shell that held something yesterday and one that has been empty for a tide or two. He taps it, listens. Sometimes he throws it away. The rules about protected species are real and necessary. The giant clam shell at a market in Manila, the coral you were told was already dead. We do a quiet, small harm when we try to keep everything.

Still, watching that girl, I did not think of conservation. I thought of my own dresser at home, where there is a chipped whelk from a beach in Maine I went to at twenty-two. I have no photograph of that week that I like, but I know exactly how cold the water was because of that shell. It sits there and does nothing, which is its job.

We bring shells home because we do not trust ourselves to bring the day home. We want a proof of presence that is not a photograph. Something that was there before us and will outlast our telling of it.

The announcement came to board. The girl zipped her bag. One of the smallest shells fell to the floor and rolled under the seat in front of her. She did not see it. I watched it for a moment, pearly and still, and then left it where it was.