Keawe is an intelligent and brave young Hawaiian man who works as a sailor to escape poverty. During a stop in San Francisco, his curiosity leads him to a wealthy neighborhood where he encounters a magical object that promises to fulfill his desires. He approaches his newfound opportunities with good intentions, but his initial naivete complicates his quest for a peaceful life.

Kokua is a bright, educated young Hawaiian woman who captures Keawe's heart at first sight. She lives comfortably with her parents and previously attended school in Oahu. Initially appearing as an innocent and passive figure, she demonstrates profound emotional maturity and a willingness to shoulder heavy burdens when her relationship faces supernatural threats.

Lopaka is an Indigenous Hawaiian sailor and a level-headed companion to Keawe. Driven by a pragmatic desire for material gain, specifically a schooner of his own, he counsels his friend to accept the benefits of their unusual circumstances. He acts as a grounded voice of reason during the initial discovery of supernatural properties.

An aging, wealthy resident of San Francisco who possesses a bald head and a black beard. Despite living in a beautiful mansion filled with fine things, he is deeply unhappy and plagued by an unseen burden. He acts as the catalyst for the story's main conflict by eagerly transferring his magical property to an unsuspecting buyer.

A rough, older non-Indigenous sailor with a troubled past in whaling and prison. He harbors a cynical view of the world and specifically distrusts women. He spends his time seeking drink and encouraging others to partake in his vices.

Kiano is Kokua's father, a comfortable and caring man living in Hawaii. He values education, having sent his daughter to school in Oahu, and acts as a gracious host to his daughter's suitor.

The unnamed mother of Kokua who shares a comfortable life with her husband, Kiano. She supports her daughter's education and social engagements.

An older relative of Keawe who owns land in Hawaii. His sudden passing profoundly shifts Keawe's financial situation.

A relative of Keawe who perishes in a drowning incident, leaving Keawe as the sole heir to the family property.

A former friend of Keawe who has recently acquired sudden wealth. When Keawe seeks him out, he behaves uncharacteristically cold and dismissive.

A young, non-Indigenous man who recently embezzled from his employer. Facing severe consequences, he resorts to supernatural means to escape prison. The resulting terror leaves him physically deteriorating.

A kindly, sympathetic resident of Tahiti who suffers from a chronic cough. He possesses a gentle nature and shows deep compassion for strangers in distress.