I think a proper phrase might be "unofficially tolerated." At Tintamarre, nudity is tolerated on the boats, in the water, and on the beach - but what is not tolerated is walking along the beach nude, as was commonly done in the past. Presumably, the no nudity when walking the beach also would mean that there is no nudity in walking around the island. Arrete No. 001-06, January 9, 2006, bans nudity on the beaches of St. Martin, only except for the Club O beach, and it is the local legal authority for the bans on nudity on beaches.