You can enjoy different overnight cruises in the Mekong River. These cruises bring you deep into the evergreen delta with many activities such as boat tours, bike tours, visiting local homes, seeing floating markets, enjoying delicious food and great relaxation. 

For 2 - 4 days cruise programs in Vietnam only, you can check out the following cruise lines:

1/ Song Xanh Sampan cruises http://www.songxanhcruisemekong.com/

2/ Victoria Cruises www.victoriahotels.asia

3/ Bassac Cruise http://transmekong.com/

4/ L’Amant cruises http://www.lamant-cruises.com/en

5/ Le Cochinchine Cruises http://www.lecochinchinecruise.com/