The highland of maritime high-quality development is historic obligation of Shandong. In 2019，The marine economy in Shandong take a big success with world level port construction，modern marine industries structure，and marine eco-civilization. Compared with national requirements，the whole capacity and quality of marine economy need to be improved. The regional coordination insufficient，new driving force nurture lagging，impact of coastal environment，and lack of maritime innovation are still the obstacle of marine sustainable development in Shandong. In the future，we should be clarifying the strategic position of marine economy furtherly，optimizing the regional planning，strengthening the coastal ecological recovery，competing the national pilot zone of marine economy high-quality development.