The District of Sechelt does not currently provide an online mapping system. Here are some links to excellent mapping resources on the Sunshine Coast.
This is an Interactive version of the popular Sunshine Coast Super Map
it shows all roads and most of the trails in Sechelt and the surrounding areas.
The Sunshine Coast Super Map contains GIS-accurate placement of streets, logging roads, single track/skidder roads, horse trails, ATV trails, hiking trails, mountain bike trails, back-country cell coverage, camping and diving sites. GPS/Longitude and Latitude gridding will help you navigate your way to some of the very special places here on the Coast. The Super Map also lists a wide variety of local businesses and services to make your stay more convenient.
The Sunshine Coast Regional District (SCRD) offers Web Map services and a GIS Open Data Portal with mapping and property information for the entre Sunshine Coast including the District of Sechelt.