You can use Suunto Movescount to create POIs and sync them to your watch:
- Create an account on / open movescount.com.
- Open Me > Watches > My watches.
- Select your watch from the list.
- Open Navigation > POIs (Points of interest).
- Click Create new point of interest and fill in your POI details.
- Save the POI and then add it to your watch by toggling on Use in watch.
- Sync the POI with your watch using SuuntoLink (USB cable).