The Marquesas Islands were colonized by seafaring Polynesians as early as AD, thought to originate from Tonga. The dense population was concentrated.
Inis Beag, a small island off the coast of Ireland, is among the most naive and sexually repressive societies in the world. The islands abhor.
Cultures with different views on sex, including polygamy, polyamory, temporay marriage, Mangaia, Cook Islands — the tribe with sex mentors.