Nha Trang is a coastal city in Vietnam and is a popular tourist destination. There are many things that visitors can do in Nha Trang, such as:

1. Enjoying the beach: Nha Trang is famous for its beautiful sandy beaches and crystal-clear water. Visitors can sunbathe, swim, or participate in various water activities such as snorkeling, scuba diving, and jet-skiing.

2. Visiting the local islands: There are several islands off the coast of Nha Trang that visitors can explore. Hon Mun Island is a popular destination for snorkeling and diving, while Hon Tam Island is known for its scenic beauty and peaceful atmosphere.

3. Exploring cultural and historical sites: Nha Trang has several temples, pagodas, and museums that showcase the local culture and history. Some of the must-visit sites include the Long Son Pagoda, the Po Nagar Cham Towers, and the Alexandre Yersin Museum.

4. Trying local cuisine: Nha Trang is famous for its fresh seafood, and there are many restaurants and street vendors where visitors can sample the local cuisine. Some popular dishes include banh xeo (Vietnamese crepes), nem nuong (grilled pork skewers), and bun cha ca (fish cake noodle soup).

5. Relaxing at a spa or hot spring: Nha Trang has many spas and hot springs where visitors can relax and rejuvenate. The Thap Ba Hot Springs and the I-Resort are two popular destinations for spa and hot spring experiences.