Tra Vinh is a city in Southern Vietnam.
There are direct (mini)buses from HCMC. Another option is to arrive by boat. You can either charter a private boat or get on a cargo boat from another town or city in the Mekong delta, such as Ben Tre. The boat trip from Ben Tre takes about five hours and should cost around 100,000 VND per person. The boats leave at around 9am.
The centre itself is small enough to cover on foot. You can explore the greater area by renting a bike from the tourist office or via some hotels. The tourist office also sells a map (20.000VND) that covers both the city and the province of Tra Vinh.
There's a large local market in the center of town, selling clothing and food. The city also has some Khmer pagodas.
Explore the centre on foot, or rent a bike to see the province of Tra Vinh. There is a Cambodian Theravada Buddhism temple in the city (50/1 Lê Lợi, phường1) (and a large number of them around the city), which might be interesting if you haven't been to Cambodia before (look at Google Maps to find them). There is also a Christian cathedral in the city (at Lê Lợi, Phường 1) and it'll be decorated and busy with visitors during any Christian festival. The beach side supposed to be one of the nicest in the Mekong Delta.
A place to rent motorbikes is located on 60 Nguyen Thi Minh Khai (about 5-10 minute walk from the centre). Its a motel as well as a 24h shop called Minh Nguyet. They specialise in wholesale food & beverage items and should be easy to spot due to mountains of packing boxes stacked everywhere. Price for an automatic is 150,000 VND in good condition, except that none of the dials worked, so you have to guess your petrol consumption (December 2017). They also rent bicycles for 70,000 VND. Pay upfront and be prepared to leave your passport as a deposit (standard practice in SE Asia).
There are some affordable hotels in the center. It can get busy with local tourists on weekends, with many hotels full.
The bus station is about five kilometres out of town. A taxi out there should cost in the region of 55,000 VND.
There's a bus to Can Tho on or just after 11am. Tickets cost 60,000 VND and the trip takes about three hours.