Collection of useful links:
- Zeilersforum.nl - dutch sailors forum
- Andrzej Skrzat - page with all boats by Polish yacht designer Andrzej Skrzat
- Sailingcenter - site of dutch importer of New Classic, Sportina and other Polish yachts
- Delphia Yachts as of september 2019 no longer producing sailboats just motorboats.
- Sportina 680 — Sailboat Guide
Go ahead and edit this wiki post to add more links.