Here it is beforehand created a new “Label” shown in the first screen. It is based on a TrueType font from Mapping Authority «sktf2″ and that it is stated which character in current font representing bathing spot, dollar sign “$” in this case.
Then it set up symbolization with two styles. The first creates only a white square (Symbol) background on using fill color (Fill color) which has a size of 20 (Symbol size).
The second style species indicates a fill color (Fill color) at the bathing place (Symbol) which has size 20 (Symbol size).
New labels can be created in Administrator, Config> Labels
Example on legend
Example on map