The book "Peter the Great and the Navy of Russia" was published by the International Public Organization of Former Military Personnel "MarsMercury" as an initiative implementation of the Decree of the President of the Russian Federation "On the celebration of the 350th anniversary of the birth of Peter I." The purpose of the encyclopedic publication is, based on past research, to summarize the well-known and little-known about the life and work of the great and unusual military sailor and admiral, the creator of the Russian Navy, Peter I, against the background of his versatile state activities, to reveal the influence of the principles of construction, management and combat use of the navy laid down in its era on changes in the qualitative and quantitative characteristics of the domestic navy over the past 326 years since its foundation by Peter I, its compliance at present with the historical lessons of the construction and development of the navy both in Russia and abroad.