This document provides tools and best practices for creating coastal web maps. It discusses options for data storage, including hosting locally or in the cloud. Common data formats like Shapefiles, GeoJSON and GeoTIFF are recommended. It also covers web mapping services like WMS, WFS and WMTS based on OGC standards. Popular client-side development options are presented, such as APIs from Google Maps and ArcGIS, and open-source libraries like OpenLayers and Leaflet. Resources for further information are provided.