1. Sunscreen & Sunglasses
They are important to pack, particularly if you are intending to spend some decent time on the beach. Temperature can raises to the 40oC in May to August in this northern region.
2. Various types of Clothes
Make sure you pack a lot of clothes and even warm clothes (if you travel to Vietnam in the winter), comfy shoes and a swimsuit. Weather in Halong Bay varies by area and even by time of day. For a full experience in Halong Bay, a range of activities will be offered such as swimming, kayaking, caving, trekking, forest exploring… They require different types of clothes and shoes.