The story of Marie-Galante is inseparable from sugarcane. French colonists arrived in 1648, and within decades the island's flat terrain and tropical climate made it ideal for plantations. Sugarcane, imported to the West Indies by Columbus himself, transformed Marie-Galante into a factory island. By 1780, windmills had begun replacing the older ox-powered mills, and by 1830 the island had 105 mills crushing cane across its plateau. Today, 72 mill towers still stand — stone sentinels scattered across the countryside, their conical silhouettes visible from nearly every road. But the mills tell only half the story. The labor that built them was forced. During the second half of the 17th century, enslaved Africans were brought to Marie-Galante to work the plantations. By 1671, fifty-seven percent of the island's inhabitants were Black. Enslavement was briefly abolished in 1794, reinstated in 1802, and not permanently ended until 1848, when the efforts of abolitionists like Victor Schoelcher combined with repeated revolts by enslaved people to finally break the system.

Marie-Galante's colonial centuries were violent. In 1653, Carib warriors killed the few French colonists who had not already fled the island's harsh conditions. A Dutch fleet raided in 1676, abducting residents and destroying infrastructure. The Dutch and British struck again in 1690 and 1691, wrecking mills and refineries so thoroughly that the Governor-General of Martinique forbade resettlement until 1696. The British occupied the island during the Seven Years' War from 1759 to 1763, and again during the Napoleonic Wars. But perhaps the most telling episode came after emancipation. In the legislative elections of June 1849 — the first in which formerly enslaved people could vote — wealthy white plantation owners rigged the ballots. The Black majority rose up in protest, and the violence that followed left many dead. During the chaos, rum and sugar from the Pirogue plantation were dumped into a nearby pond. Locals still call it la mare au punch — the Punch Pond — a name that carries the memory of both the sweetness of what was lost and the bitterness of why.

Modern Marie-Galante moves at a pace that Guadeloupe's mainland has largely forgotten. The island's three communes — Grand-Bourg, Capesterre-de-Marie-Galante, and Saint-Louis — together hold roughly 11,000 residents, and the population has been slowly declining as younger generations leave for economic opportunities elsewhere. What remains is a place where carnival troupes still parade every Sunday afternoon from January through Lent, where the Carnival en Kabwèt sends thirty decorated wagons pulled by oxen along 22 kilometers of countryside roads — a tradition inscribed on France's inventory of intangible heritage in 2014. The island's cuisine centers on bébélé, a traditional dish, and kilibibi, a local delicacy. At Christmas, families gather for chanté nowèl, singing carols together. Marie-Galante produces some of Guadeloupe's finest rum — the Distillerie Bellevue, Bielle, and Poisson distilleries are known for agricole rums distilled directly from fresh-pressed cane juice rather than molasses.

Seen from altitude, Marie-Galante's geography divides neatly. The northern coast rises as a limestone cliff, 120 meters high in places, where red-billed tropicbirds and brown noddies nest in colonies recognized as an Important Bird Area by BirdLife International. A geological fault called "la Barre" separates this northern quarter from the rest of the island. To the west, beaches and mangroves line the Caribbean shoreline. The eastern and southern coasts drop from the central plateau to a coastal plain protected by a barrier coral reef facing the Atlantic. The island's highest point, Morne Constant at 204 meters, barely qualifies as a hill — but it hosts a wind farm of twenty-three two-bladed turbines, part of Marie-Galante's ambitious goal of achieving energy independence through renewable sources. The trade winds that power those turbines also bring the island's weather: a dry season called carême from January to June, a wet season called hivernage from July to December, and the ever-present threat of hurricanes. In September 2017, Hurricane Maria struck as a Category 5 storm, with sustained winds exceeding 215 km/h.