Shandong is a major fishery province in China, which shoulders the critial mission of building the "blue granary". The high-quality development of the aquatic seed industry in Shandong Province is significant for ensuring the sustainable and diverse supply of aquatic products in China. Based on the results of references analysis and field investigation, this study systematically summarized the status quo of the aquatic seed industry in Shandong Province and then pointed out the drawbacks in overall design and planning, collection and preservation of germplasm resources, innovation and application of breeding technologies, cultivation of new varieties, and formation of leading enterprises. Based on that, we put forward the long-term goals, critical tasks, and suggestions for developing the seed industry of fish, shellfish, shrimps, crabs, sea cucumber, algae, and aquatic seed economy in Shandong Province. This study will provide references for the high-quality development of the aquatic seed industry in Shandong Province.