This point shapefile contains six geographic points that are commonly used for demarcation of convenient marine management areas or possible marine ecoregions. The points are Ano Neuvo Island, Duxbury Point, Lopez Point. Point Delgada, the Santa Maria River and Sequit Point. This layer is part of a collection of data created by the California Department of Fish & Game. These data are intended for researchers, students, policy makers, and the general public for reference and mapping purposes, and may be used for basic applications such as viewing, querying, and map output production. This layer is presented in the WGS84 coordinate system for web display purposes. Downloadable data are provided in native coordinate system or projection.