Lan Ha Bay Travel Guide 2026 — Cruises, Kayaking & Beaches

Aerial view of Lan Ha Bay's limestone karst islands and turquoise water, Cat Ba, Vietnam

Last updated: 30 July 2026

Quick Summary: Lan Ha Bay is a calm, island-studded bay south of Ha Long Bay, with around 400 limestone karsts and far fewer boats. Beka Travel runs a day tour ($30), a 2D1N cruise ($99), and a 3D2N cruise ($239), all departing from Cat Ba. Best visited March-June and September-November for warm, calm days on the water.