Shenzhen Marine New City is situated on the east bank of the Pearl River estuary, falling right at the core of Guangdong-Hong Kong-Macao Greater Bay Area and Guangzhou-Shenzhen-Hong Kong Economic Belt. As another strategic hub after Qianhai in Shenzhen, the New Marine City is planned as an important growth pole to lead the development of the Bay Area, as well as a critical spatial asset that ensures to enhance the economic capacity, longterm competitiveness and sustainable development of Shenzhen. On the physical level, we have many excellent cities to learn from, but we are not satisfied with this alone. In today’s digital age, we must create a global blue ocean valley for innovation and entrepreneurship. To advance blockchain layout, absorb and gather marine innovation resources, and arrange high-end high-tech China Europe Blue Industrial Park, and build a replicable paradigm of the innovative marine city.