Haimen, located in Nantong City, Jiangsu Province, China, is a gourmet city with many delicious restaurants. The following are some restaurants worth recommending:

1. Haimen Hotel: Located in Renmin Middle Road, Haimen City, it is an old-fashioned restaurant in Haimen City, mainly featuring seafood and Jiangsu and Zhejiang cuisines, with fresh dishes, delicious taste and excellent reputation.

2. Tonghai Hotel: Located in Jianghai Road, Haimen City, it is a high-end restaurant with Jiangsu and Zhejiang cuisines, with elegant environment, thoughtful service and excellent food quality, which is very suitable for business banquets and family dinners.

3. Haimen Catering Company: Located in Renmin Middle Road, Haimen City, it is a catering company with a long history, providing all kinds of seafood, Jiangsu and Zhejiang cuisines and other special dishes, which are affordable and delicious, and are deeply loved by local residents and tourists.

4. Xin Haimen Hotel: Located in Jianghai Road, Haimen City, it is a high-end hotel with seafood and Jiangsu and Zhejiang cuisines, with elegant environment, thoughtful service, fresh dishes and delicious taste, suitable for business banquets and family dinners.

In addition, there are many other gourmet restaurants in Haimen, such as Ajisen Lamian Noodles, KFC, McDonald's and other fast food brands, as well as various local specialty snack bars and night markets. You can choose according to your taste and preference.