Lan Hạ Bay

Lan Hạ Bay is a crescent-shaped bay in the Gulf of Tonkin, east of Cát Bà Island and adjacent to Hạ Long Bay. It covers more than 7,000 hectares and contains about 400 islands and islets, many densely vegetated. The bay forms part of the Cát Bà Archipelago and its UNESCO biosphere reserve.

Don't miss

• A landscape of roughly 400 islands and islets, many covered in dense vegetation
• About 139 small sandy beaches scattered across the bay
• Limestone karst formations across the archipelago
• Its connection to Cát Bà National Park and the UNESCO biosphere reserve

Tickets & tours

Ways to visit Lan Hạ Bay

Cheapest way inCat Ba – Monkey Island – Lan Ha, Ha Long Bay – Viet Hai Village4.9★ · 148 travelers8-9 hoursFree cancellationFrom$22 per personSee dates →Best full dayLan Ha - Ha Long Bay - Dau Be island 2D/1N from Cat Ba in less touristy areas.5★ · 3,789 travelers~48 hoursFree cancellationFrom$168 per personSee dates →Top ratedFull day trip to Lan Ha-Ha Long Bay from Cat Ba, avoid the crowds5★ · 3,650 travelers~9 hoursFree cancellationFrom$41 per personSee dates →

Getting there

Know before you go

• Lan Hạ Bay lies east of Cát Bà Island and beside Hạ Long Bay in the Gulf of Tonkin.
• The bay includes densely vegetated islands and islets within the Cát Bà Archipelago.
• More than 5,400 hectares of the bay fall under Cát Bà National Park management.