Halong Bay multi-day is an ideally time when you have more time and wish to discover deeply this famous bay. First of all, you can discover a lot of islands, islets, grottoes and floating fishing villages as well as pearl farms. Apart from, popular two or three days, the trip four days is wonderful to enjoy. Factually, you can combine visiting the bay and join different activities. For example, you can discover the rock climbing, kayaking, seeing the procedure to raise pearl on sea.
Some cruises offer Cat Ba Island to satisfy the luxury accommodation and taste local foods on cruise.