ArkHAUS. To create the headquarters for the “entirely revolutionary concept positioned to redefine the members’ club of yesteryear,” ArkHAUS’ creators are not just rejecting landlubbing real estate, but constructing a square-shaped yacht flotilla out of four floating mansions. ArkHAUS’ co-founders Sam Payrovi and Nathalie Paiva were inspired to start the club by the sustainable house boat series Arkup (the house-or-boat status of which is currently the subject of a lawsuit) and a running gag. “I used to joke around with Nathalie that one day we’re going to put a private membership club on a yacht,” Payrovi, 44 — who established Manhattan event venue CSTM HAUS with Paiva in 2019 — told The Post of the high seas clique concept’s origins. “I’ve always had a real [love] for solar and electric boats, Teslas … when we saw Arkup we said ‘this is the jam right here.’” Without putting “in any real effort” the pair have already sold approximately a third of their 360 memberships ($10,000 annually, but selling at a presale rate of $5,000 to $7,500), including three of the 10 “forever memberships” they’re hawking as NFTs (for 8 ETH, or between $20,000 and $30,000).