'Islands in the Stream' is set primarily in the Caribbean, specifically around Bimini, Cuba, and the Gulf Stream during the 1930s and 1940s. Hemingway paints a vivid picture of the island life—crystal-clear waters, scorching sun, and the rugged charm of coastal towns. The protagonist, Thomas Hudson, lives a solitary yet eventful existence as an artist, surrounded by fishermen, expatriates, and the occasional naval patrol during wartime. The sea is almost a character itself, reflecting Hudson’s internal struggles and the transient nature of human connections.
The novel’s second part shifts to Cuba, where Hudson’s life intertwines with his estranged family, adding emotional depth to the tropical backdrop. War looms in the later sections, bringing tension and urgency to the otherwise idyllic setting. Hemingway’s descriptions of marlin fishing, bar fights, and quiet moments on the water make the Caribbean feel alive, balancing beauty with underlying melancholy.