The objective of this chapter is to understand the processes involved in the coastal dynamics. Nevertheless, the development of new miniaturized image sensors (digital cameras, thermal sensors, hyperspectral, Lidar, etc.) and positioning systems associated with the development of new platforms such as unmanned aerial vehicles (UAVs) have led to the emergence of new coastal monitoring strategies. Technological improvements of platforms and miniaturization of imaging and positioning sensors can meet these challenges. Each coastal environment has intrinsic constraints, which sometimes require us to adapt the methodology of acquisition and/or data processing. Drone potential is still increasing with the development of light and compact hyperspectral cameras, which can be onboarded on UAVs. Hyperspectral measurements allow us to gain access to water column parameters, bathymetry inversion, detection of pollution, classification of benthic habitats, etc.