Content: ENVIRONMENTAL CHARACTERIZATIONOrigin and Development of Marine GeotechnologyIntroductionDefinition and Scope of Marine GeotechnologyOrigin of Marine Geotechnology (1786-1899)Twentieth-Century Precedents (1900-1949)Development of Marine Geotechnology (1950-2000)Events Occurring to Change Marine Geotechnology in the Late 1970s and Early 1980sInterdisciplinary and Multidisciplinary AspectsSummaryGeological Environments/Processes and ProvincesIntroductionPlate Tectonics and the Physiography of the Ocean FloorSediment Accumulation and Response to Sea-Level ChangesSedimentsMarine Sedimentary EnvironmentsSITE INVESTIGATIONElements of Site InvestigationsIntroductionPlanning a Site InvestigationSite Survey Flow PlanPositioningLocation or PositioningGeophysical Surveys: Equipment and TechniquesVessel OperationsIn Situ InvestigationsData ManagementIn Situ TestingIntroductionDeployment SystemsSensorsSensor CalibrationSpecial-Purpose TestsDrilling, Sampling, and Handling of Marine SedimentsIntroductionOffshore Soil SamplingSampler DisturbanceHandling and StorageLaboratory Testing at Sea and AshoreIntroductionPreparation of Soil SamplesLogging, X-Radiography, and Computed TomographyIndex/Classification TestingConsolidationPermeabilityStatic Shear StrengthCyclic and Dynamic StrengthGEOTECHNICAL PROPERTIES OF MARINE SEDIMENTSProperties of Marine SoilsIntroductionSoil CharacterizationClassification of SedimentsGeophysical Properties of Marine SedimentsIndex, Compressibility, and Strength Properties of Marine SedimentsIntroductionDensity and Water ContentConsistency Properties and Organic MaterialsCompressibility and Permeability of Fine-Grained Marine SedimentsPermeabilityShear Strength CharacterizationEffect of Time on Soil BehaviorCyclic and Dynamic Properties of Marine SedimentsIntroductionTheoretical BackgroundSoil Parameter ModelingBehavior of Clays and SiltsAnalytical Methods to Predict Cyclic Response of ClaysBehavior of Granular MaterialsHistorical Review of Liquefaction in the Coastal EnvironmentPost-Cyclic Loading BehaviorSLOPE STABILITY AND FOUNDATIONSMarine FoundationsIntroductionLoadings on FoundationsPile Structures in the Marine EnvironmentGravity PlatformsAnchor Uplift CapacityJack-Up PlatformsHydraulic Filled IslandsSlope StabilityIntroductionTypes of Seafloor MovementsMechanisms of MovementEvaluation of Initiation of InstabilityEvaluation of the Large Movements of the Soil MassSummaryReferences