This book provides a broad range of applications and recent advances in the search for healthcare materials from the sea. A narrative description of fundamentals as well as technological acumen are interesting features of this new work. It discusses in detail various aspects of healthcare products from marine organisms and the potentiality of marine derived substances such as marine algae derived compounds, fish derived materials, chitosan, shell fish compounds, etc., with their promising uses in pharmaceutical, cosmoceuticals and nutraceutical industries. All will be put forth through detailed descriptions related to biotechnological and biomedical applications.