From OpenStreetMap Wiki
|A shop which sells Jetskis|
|Used on these elements|
|Tools for this tag|
A shop which sells Jetskis. If it mainly sells Jetskis, use shop=jetski.
jetski:sales=* may also be combined with other types of shop=*,
for example a shop=boat or shop=atv.
In case the "main" shop can't be determined, use shop=vehicles.