Ken Seiff, a venture capitalist and founder of Blockchange Ventures, is putting his Florida oceanfront sanctuary at Arte Surfside on the market for $12.9 million, The Post has learned.

Giacona had been coming to the Rockaways for years to surf with friends, and he started wondering why he didn’t just live ...

Potential buyers talked about building a deck to incorporate the tree and dreamed about living like the Swiss Family Robinson ...