This sample show a how to render polygons to the map. The shape above correspond to the "Bermudas Triangle"
@( Html.Googlemap() .Name("map") .Polygons( pf => pf.Add() .Points(ptn => { ptn.Add(25.774252, -80.190262); ptn.Add(18.466465, -66.118292); ptn.Add(32.321384, -64.75737); }) .FillColor(Color.Blue) .StrokeColor(Color.DarkBlue) ) )