Hat Yai is a city in Thailand that offers a variety of activities and attractions for tourists. Here are some of the things to do in Hat Yai:

1. Visit CentralFestival Hatyai, a large shopping mall with a variety of shops and restaurants.

2. Explore Hat Yai Municipal Park, a 200-acre park on a hilltop that offers breathtaking views of the city and surrounding mountains. The park is home to lush greenery, beautiful botanical gardens, and a Standing Buddha statue that has become a landmark of Hat Yai. Visitors can enjoy activities such as paddle boating, cycling, or hiking up trails that lead to scenic viewpoints.

3. Check out Wat Hat Yai Nai, a temple with a large reclining Buddha statue and a cable car that brings visitors up to the top of the hill for panoramic views of Hat Yai.

4. Visit Khlong Hae Floating Market, a unique market where vendors sell food, drinks, souvenirs, clothing, and other goods from their boats along a canal.

5. Explore Ton Nga Chang Wildlife Sanctuary, a wildlife reserve that is home to elephants, tigers, and other animals.

6. Go to Phra Maha Chedi Tripob Trimongkol, a stainless pagoda that is a popular landmark of Hat Yai.

7. Visit Songkhla Central Mosque, a beautiful mosque with a unique design.

8. Check out Thale Noi Waterbird Park, a birdwatching spot with a variety of bird species.

9. Go to Kim Yong Market, a bustling market with a variety of food, clothing, and other goods.

10. Explore the Dream World Park, a theme park with rides and attractions for all ages.

These are just some of the many things to do in Hat Yai, Thailand. Visitors can also enjoy the local cuisine, nightlife, and cultural attractions in the city.