Habits of the Sea

In 1952, on the Outer Hebrides off the western coast of Scotland, a farmer named Clay Lockhart carries the body of his wife, Alice, out of their farmhouse during a violent January storm. She has died in childbirth, along with their newborn twins. He buries all three at the cliff's edge. That same night, neighbors hear the land crack and split; by morning, the house and four hectares of land have broken free from the mainland and drifted into the Atlantic. Over the decades, sailors report sporadic sightings of the island, but the tale fades into local myth.

The story shifts to 2007, when 12-year-old Eleanor "Ellie" Mills lives with her grandmother, Nana, in Maylarch, Nova Scotia. Ellie's mother abandoned her years earlier to start a new family in California. One autumn night, a storm brings a flickering light on the outer cape. Ellie takes Nana's fishing boat to investigate and discovers an entire island with a white house. Inside, a gruff man in his mid-thirties gives her hot tea and asks what continent they are on. Ellie notices the house is built like a ship, designed for sailing. She spots a silver locket inscribed "For AL, until the seas take us away" and slips it into her pocket. When the island begins breaking free, the man shoves her into Nana's boat. She calls out, asking his name. He answers: Clay Lockhart. When Ellie reaches shore, she learns she has been missing for a full week, though to her it felt like hours. No one believes her story; classmates mock her, and therapy leads her to doubt her own memories. She hides the locket, though library research later confirms the historical story of Clay and Alice Lockhart, whose initials match the inscription.

By 2026, Ellie is a child therapist in Seattle. Her boyfriend of two years, James Carmichael, has just given her an engagement ring, which fills her with panic rather than joy. That evening, Helen Ashcroft, host of a podcast called The Other Grim, calls to say that Saltwell Island has been spotted by hundreds of cruise ship passengers off the coast of Maine. Helen wants an interview, noting Ellie is the only person who has ever claimed to set foot on the island. Ellie refuses, but the call reopens years of buried longing. She discovers the island has also been sighted near the Faroe Islands, a remote archipelago in the North Atlantic. She flies to Nova Scotia without telling James, retrieves the hidden locket, and threads it beside the scallop shell necklace Nana gave her. Nana tells Ellie she was never a child who lied and encourages her to go find her island.

After fruitless days searching the Faroe coastline, Ellie encounters Helen at her hotel. Helen reports that a local woman saw the island offshore the previous night. On a drive back from interviewing the witness, Ellie spots the island floating near the coast. She plunges into the freezing Atlantic, and the waves slam her against the rocks, tearing her hip and cracking her skull.

She wakes in Clay's bed. He has not aged since their encounter 19 years earlier. He asks how she possesses a locket that a girl stole from him only "a year ago," confirming that time passes far more slowly on the island. Ellie confesses she is the same girl. Clay tells her the island has drifted far from land with no boat available. Her phone lies in the jeans she left on shore. She is trapped.

Over weeks and months, their wary coexistence deepens into rapport. Ellie learns the island's routines: rationing rainwater, tending the garden and livestock. Clay's gruffness softens, and a mutual attraction surfaces through shared labor, conversation, and small gestures of care. He gives her a cowrie shell for her necklace; she shaves his overgrown beard. A wooden boat washes ashore, but Clay insists rowing into unknown waters is too dangerous. He confronts Ellie about whether she will stay or leave, demanding she decide. After a painful silence, he kisses her and apologizes. Ellie tells him she loves him.

She sets out in the boat at sunrise. Beneath the seat, she finds a second oar Clay secretly carved for her. After hours of rowing without any sign of land, a realization crystallizes: She does not want her old life. The current carries her back. She tells Clay she is staying. They kiss and make love.

They build a life together. Ellie visits Alice's grave and promises to take care of Clay. When a freighter appears on the horizon one night, she drops the kindling she gathered for a signal fire and chooses to stay. A hurricane then destroys the garden, greenhouse, and barn but pushes the island against a reef near a tropical landmass. They discover an abandoned resort, and Ellie secretly leaves a note at the front desk signed Ellie Wells-Lockhart, a name reflecting her bond with Clay, stating she is alive and expressing love for Nana. They exchange vows on the beach before the island breaks free again.

On their one-year anniversary, Clay gives Ellie a sapphire ring, a family heirloom, as a wedding ring. He also confesses that when she first arrived, he hid a boat from her, partly to protect her while injured and partly because he was relieved to no longer be alone. The tide carried it away overnight before he could tell her. Ellie is furious but forgives him, recognizing she chose this life when she turned the boat around.

The island drifts back to Nova Scotia. Ellie paddles to Nana's house and finds James answering the door, now in his fifties. Twenty-two years have passed on the mainland. James tells her Nana died four years earlier but was comforted by Ellie's note, which fishermen found at the resort, though police dismissed it as a hoax because of the unfamiliar surname. He notices the sapphire ring and understands. James warns that the world has changed for the worse. Ellie says goodbye and returns to Clay.

Months later, three armed men posing as naval officers board the island and attack them. Clay kills the intruders with a rifle but takes a bullet to the stomach. Ellie stitches the wound, though the bullet remains inside him. The island drifts into Arctic ice, and their food runs out. Signs of ecological catastrophe surround them: dead fish coating the sea, a flotilla of burning ships drifting past in silence. When the ice cracks, Clay salvages a map from a drifting catamaran depicting the world of 2062, with continents broken into small archipelagoes bearing unfamiliar names and most territories marked uninhabited. Civilization has largely collapsed.

Near starvation, the island runs aground against a lush landmass called St. Helena Harbor, where a community of 73 people grows food on an old golf course. They welcome Ellie and Clay. Ellie discovers she is pregnant, and Clay begins building a rock causeway to anchor the island permanently to shore, choosing for the first time to stop drifting. At sunset, they witness the "green flash," a spark of green light at the horizon that Clay's father once described but that Clay had never seen. Clay tells Ellie she has become his homeland. The epilogue reflects that a fable does not need to be remembered to be true, and that anyone standing at the edge of the known world may have to choose between their current life and an unknown one waiting beyond.