Fable is an 18-year-old dredger who survives on the harsh island of Jeval by diving for precious stones. After being abandoned four years ago by her father, she hoards her earnings to buy passage across the sea. She utilizes skills taught by her late mother to locate rare gems, determined to track down her father and demand her rightful inheritance.

Saint is a towering, highly successful trader who commands a massive fleet of ships. He operates with calculated ruthlessness, building his fortune through dangerous ventures and strict adherence to his cynical rules of survival. Following the tragic death of his wife, he maintains a severe emotional distance from the world.

West is the young, secretive helmsman of the trading vessel Marigold. He frequently buys gems from Fable and eventually grants her passage off Jeval, directly challenging the wishes of his small crew. He maintains a calm, unreadable exterior while harboring heavy debts and braving dangerous trade routes to protect the people under his command.

Zola is a vindictive and ambitious trader who captains the Luna. Once highly successful, he harbors intense resentment toward those who have surpassed him in wealth and status. He readily uses violence, intimidation, and sabotage to undermine his rivals and claw back his former standing.

Willa is the hardworking bosun of the Marigold, easily recognized by a prominent burn scar on her face. She bears heavy physical and emotional wounds from a difficult life at sea and treats outsiders with immediate hostility. As the enforcer of the ship's daily operations, she works tirelessly to keep the vessel afloat.

Paj serves as the navigator for the Marigold's tight-knit crew. He is highly skilled at charting safe courses through unpredictable waters and keeping the ship out of danger. He is deeply integrated into the crew's dynamic and remains highly skeptical of Fable's sudden presence on their vessel.

Auster is the stryker aboard the Marigold, responsible for keeping the crew fed and tending to their physical injuries. He operates with a pragmatic, no-nonsense approach to survival at sea, making it clear to newcomers that they must earn their keep if they expect to eat.

Hamish is the coin master for the Marigold. He carefully manages the crew's finances, calculates their shares, and oversees the trading of goods at various ports. He acts strategically, always considering the financial implications of the crew's actions in a highly competitive market.

Koy is a dredger and ferryman on the island of Jeval. Driven by the desperate need to support his grandmother and siblings, he resorts to violent theft against other dredgers. This desperation makes him a deadly obstacle in Fable's early attempts to secure passage off the island.

Isolde is Fable's late mother, a highly skilled dredger who originally learned her trade in Bastian. She possessed rare abilities that allowed her to sense precious stones beneath the water, a talent she passed down to her daughter before perishing aboard the Lark.

Clove is the former navigator of Saint's ship, the Lark. He helped a young Fable survive the night her childhood home sank in a severe storm, teaching her essential street survival skills like pickpocketing before they eventually parted ways.

Crane is a stryker who works aboard Zola's ship, the Luna. He executes his captain's cruelest orders without hesitation, earning the deep enmity of the Marigold's crew for his past violent actions against them.

Leo is a wealthy tailor from Bastian who operates out of an affluent neighborhood in Ceros. Though he risks the violent wrath of local guilds, he agrees to assist the Marigold's crew due to an old life debt he owes to their navigator.

Tinny is a licensed sailmaker in Ceros. Despite being offered double his usual rate, he strictly refuses to conduct business with the Marigold's crew out of deep fear of violent retribution from rival traders.

Holland is a massively powerful gem trader whose commercial empire dwarfs even the most successful operations in the Narrows. Her vast influence affects the actions and fears of many smaller traders and artisans across the sea.