Haining is a city located in Zhejiang Province, China. It doesn't face the sea, so there is no scenic spot where you can see the sea directly. However, you can find some nice beaches and sea views around Haining. The following are some suggestions from three aspects: itinerary, transportation mode and accommodation:

Route:

1. Tide-watching Holiday Park: This is a park located in Haining, which is one of the best places to watch the tide in Qiantang River. Every year, August 16 to 18 is the best time to watch the tide, and you can enjoy spectacular tidal phenomena.

2. Yan Guan Ancient City: Located in Haining, this ancient city is another popular scenic spot to watch the tide of Qiantang River. There are also museums and other cultural sites to visit in the ancient city.

3. Putuo Mountain: Located in Zhoushan City, Zhejiang Province, this island is one of the famous Buddhist mountains in China. Although it is not a direct beach, the sea around Mount Putuo provides a beautiful sea view.

Mode of transportation:

1. Self-driving: From downtown Haining, you can drive to the above scenic spots. Guanchao Holiday Park and Yan Guan Ancient City are close to Haining City Center, while Putuo Mountain needs to drive to Zhoushan City.

2. Public transportation: From Haining city, you can take the bus or train to the surrounding cities and scenic spots. For example, from Haining, you can take the high-speed train to Hangzhou or Shanghai, and then transfer to public transportation to other scenic spots.

Accommodation:

1. Haining Hotel: This is a luxury hotel located in Haining, providing comfortable accommodation and catering services. The hotel is close to Tidal Holiday Park and the ancient city of Yan Guan, making it an ideal choice for accommodation and tourism.

2. B & bilibili: There are many B & bilibili options in Haining and surrounding areas. These B& hotels are usually more affordable and offer local features and facilities.

Generally speaking, although Haining itself has no beaches or direct seascape attractions, there are many beautiful beaches and seascape viewing spots to choose from in the surrounding areas. When planning a trip, you can arrange to visit these scenic spots according to your own interests and time. When choosing a mode of transportation, you can make the most suitable decision according to your personal needs and budget. As for accommodation, in addition to luxury hotels, there are many more affordable homestays to choose from, and these accommodation places usually provide local characteristics and facilities.