Marine and offshore structures are built worldwide for an assortment of capacities and in an assortment of water profundities, and natural conditions. Shore assurance offices, ports, harbors and offshore oil stages are essential frameworks which impacts affect the economy level and mechanical advance of nations. Choice of the kind of stage and furthermore right arranging, plan, creation, transportation and establishment of marine and offshore structures, thinking about the water profundity and ecological conditions are imperative. In this project, a review of drift, ports and offshore structures designing is displayed. It covers essentially plan and development of breakwaters, harbor and settled layout seaward stages. The general target of this project is to give a general comprehension of various phases of outline, development, stack out, transportation and establishment of marine and offshore structures.