We tend to think in dualistic terms when it comes to land and water – a residence, for instance, is either on land or in the water. You have luxury villas or cruising yachts (or perhaps forest shacks and rusty barges) but rarely combine the two. This cabin is designed to mediate between the worlds of wet and dry, exposing its occupants to an interesting interstitial world that exists between extremes – one that appears and disappears with the rising and lowering of the tides.

Specifically intended for use along the coast of Denmark, this SeaShelter idea by David Eltang caters to a curious landscape that is neither truly accessible by boat (being too shallow) nor to hikers who wish to experience unique tidal wildlife (as it is too deep).

Entered from a hatch on the roof, the building has side portholes for viewing the semi-aquatic sea life that swims, wades or walks by during high-tide times, then recedes with the water during low tides, all without the person watching getting wet. There is enough space to lay down a sleeping back, sit and/or do some light work, though not so much as to make it a fully livable home (unfortunately).

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The building itself has visual elements that remind one of both a cozy rural cabin as well as a submarine-style periscope being raised up above the waterline. Vertical view windows offer exterior snapshots while horizontal ones provide panoramic viewing opportunities. This would, of course, make a great (and literal) lake home aside from its intended use as a ‘green vacation’ prefab for eco-tourism on the Danish coast.