A simplified description of a marine survey is a detailed inspection of the current condition of a vessel. Marine surveys are requested for a number of reasons.Buying a new or used boat? This type of detailed marine survey is strongly recommended for determining the condition and overall operation of the vessel. It will include an evaluation of electrical, propulsion, fuel, and miscellaneous on-board systems, structural integrity, navigation equipment, electronics, cosmetic appearance, overall maintenance and, as well, an out-of-water inspection and sea trial. more... See more text