It all seems so seasidey serene at this Nassau Bay property on the border of Bal Harbour Cove and Swan Lagoon. A mid-July initial listing, the 3-story $2.2 million property has water views from all its rooms. There’s a lakefront pool, a fire pit on a cantilevered deck, a pair of palapas, palm trees bending in the breeze, and a double-slip boathouse perched above the lapping waves. In the front yard, there’s a tiered waterfall. But inside, this rock-encrusted 2-story waterfall-with-aquarium in the entry is the real tipoff that while the home is on the water, its interior isn’t a driftwood-nautical knot kinda retreat: