Where should you stay in Ambanja? Honestly, plan to stay in Ambanja itself only if business or transit through the Sambirano valley brings you there, and look toward Nosy Be for anything resembling a vacation stay. Ambanja is a cocoa and vanilla trading town on the Sambirano River in Madagascar's Diana region, and its lodging is limited to a few simple guesthouses built for agronomists, exporters, and travelers passing between the mainland and the coast. The real staying options lie a short drive and a boat ride away, on Nosy Be, reached from the Ankify jetty near town.
On Nosy Be, the picture is genuinely varied. Guesthouses and small family-run lodges cluster around Hell-Ville, also called Andoany, the island's main town and port, useful for markets, ferries, and budget stays. Ambatoloaka, a beach strip a short ride from Hell-Ville, holds the island's densest run of mid-range bungalow resorts and dive-oriented guesthouses. Travelers chasing a premium beach stay tend to look further round the coast, toward the quieter northern bays, where a smaller number of higher-end resort properties sit on their own stretches of sand. There is no comparable tier ladder in Ambanja itself - guesthouse is essentially the ceiling.
Book Nosy Be lodging well ahead for the dry season months, when both dive operators and beach resorts fill quickly with a mix of domestic and international visitors; Ambanja's own guesthouses rarely need advance booking outside cocoa-harvest season, when agricultural traffic through town picks up. Expect cash to matter more than cards away from Hell-Ville, and confirm any deposit or transfer arrangement directly with the property, since third-party booking coverage thins out fast once you leave the main beach strip. Madagascar's rainy season, roughly December to March, can disrupt the Ankify-Nosy Be crossing and inland roads alike, so building slack into transfer days is the safer plan for anyone routing through Ambanja on the way to the coast.