The interior of the island is the former lagoon, surrounded by a rim of higher land that was the ring of reef islets.
Its fossil coral rock is honeycombed with caves, pools, and pits of all sizes, whose sharp edges make for difficult walking.
Villages include, from north-southwards, Roh, Thogone, Kaewatine, Tenane, Hnawayaca, Wakuaori, Menaku, Padawa, Kaewaura, Pakada, Atha, Tadurehmu, Nece, La Roche, Tuo, Miramas, Wakone, Hanadid, Rawa, Tawainedr, Mebuet, Tadine, Cuaden, Cengeite, Penelo, Patho, Wabao, Medu, Kurin, and Eni.
There are two small towns of Tadine and La Roche, but most Maréans live in tribes associated with one of 29 chieftaincies (chefferie), that are closed to outsiders.
The gravesite of Yeiwene by the sea near Tadine on the west coast of Maré is maintained with often-renewed flower garlands.
William Raven, master of Britannia was sailing to Batavia from Sydney, to procure provisions for the penal colony there.