EU/EEA (and Swiss) citizens use free movement and need no visa route; routes below are for non-EU families.
Routes, not yet checked
I know these routes exist but haven't read them on an official page yet. Treat them as a starting point.
Golden Visa (residence by investment)
investment
Who it suits: property/fund investors
Not yet checked on an official page.
Visa rules change often, and this is not legal advice. Check the official page and the embassy before you apply.
Also: 1 international schools in Greece · Visas in other countries