The vastness of the ocean and how it act as sewer and purifier, source biomedical to cure disease, unifier of continents, climate control through removal of carbon and provision of oxygen, largest solar collector, the wave, wind, current motion interaction etc. Aquatic plants and lives play important role in the ecological biosphere cycle. Efficient farming systems be it on land or in water required wide range of engineering, biological,physical and environmental science discipline. It is expected that advancement in all of these areas will apply to cultivation of living things in water. The book provides insight into risk and uncertainty analysis balance of Socio-Economic, Environmental, Technical Sustainability involve in the development of offshore aquaculture platform and species knowledge for the cultivation of macro-algae on a large commercial scale inshore, off coast and offshore towards contributing to the effort to benefit from the carbon sequestration capability of algae and other marine organisms, reduce acidification, improve food security, fuel, pharmaceuticals, animal feed, coral reef and other marine biotech materials etc.