Four of the five are a single round building you take whole, which is the version of this that works; the fifth has three more houses on the same land, and its card says so. The photographs are the properties' own Instagram posts, embedded from accounts we checked belong to them.
Names and reasons come first here. Where a property's own Instagram post can stand in, it loads only when you ask for it; otherwise an entry stays in words until the owner has told us we may publish a picture of their house.
01
Moinho das Feteiras
São Miguel, Azores
Instagram · @moinho.das.feteiras
This property's photos live on its own Instagram. Showing it loads the post from Instagram (Meta), which may set cookies — and one click shows every Instagram post on this page and is remembered by your browser. Nothing loads from Meta until you choose.
This is the house that is a windmill with a three-hundred-and-sixty-degree bedroom on an Azorean sea cliff, in four thousand square metres of garden crossed by an old lava flow.
The building
A windmill on an Azorean sea cliff
Size
Mill sleeps two; three houses sleep four each
Shared space
Four thousand square metres of garden with fruit trees to pick
The tradeoff
Three more houses sit on the same land
Checked
August 2026, against the property's own pages
The mill itself sleeps two: one bedroom with the view all the way round, a small living and dining area and a kitchenette. Three more one-bedroom houses on the same land sleep four each, converted from nineteenth-century cereal-storage ruins, so this is a small property rather than a single building. The four thousand square metres around it are mostly garden — more than two hundred plant species, fruit trees guests are welcome to pick from, a vegetable plot — and the old lava flow crossing it still carries rainwater down from Sete Cidades to the sea. Feteiras, on a cliff about fifteen kilometres from Ponta Delgada airport.
Not a Casoneta feature — the link goes to the property's own page.
02
Moinho da Fadagosa
Santarém, Mainland Portugal
This is the house inside a stone windmill that kept its original gears under a vaulted timber ceiling, with a river running through the land below it.
The building
A stone windmill that kept its original gears
Size
One unit, the whole mill, one party
The tradeoff
Reached by car, about an hour and a half from Lisbon
Checked
August 2026, against the property's own pages
One unit, one party, the whole mill: vaulted wooden ceilings, a full bathroom, a kitchenette, a fireplace, and the original gears from its working life still in the building. Mountain views the whole way round, and a river through the land with river beaches nearby, about an hour and a half's drive from Lisbon.
Not a Casoneta feature — the link goes to the property's own page.
03
Abrigo do Moleiro
Centre, Mainland Portugal
Instagram · @oabrigodomoleiro
This property's photos live on its own Instagram. Showing it loads the post from Instagram (Meta), which may set cookies — and one click shows every Instagram post on this page and is remembered by your browser. Nothing loads from Meta until you choose.
This is the house inside a Peniche windmill, two bedrooms up its round walls, with breakfast left at the door.
The building
A Peniche windmill with bedrooms up its round walls
Size
Two bedrooms, one bathroom, sleeps four
The tradeoff
Ten minutes from Peniche, so a base rather than a retreat
Checked
August 2026, against the listing it is let through
Two bedrooms and one bathroom stacked inside the round walls, sleeping four, with an equipped kitchen, secure parking and breakfast delivered rather than served. It is ten minutes from Peniche, under ten from the Peralta and Areia Branca beaches and about forty-five from Lisbon, which makes it the most usable of these as a base rather than a retreat. The mill has no site of its own, so the link goes to the listing.
Not a Casoneta feature — this house has no site of its own, so the link goes to the listing it is let through.
04
Penacova Ligeiro Windmill
Centre, Mainland Portugal
This is the house inside one of the Aveleira windmills on the ridge above Penacova, with breakfast and a terrace facing the sunset.
The building
One of the Aveleira windmills above Penacova
Size
A single one-bedroom mill
The tradeoff
One bedroom, so a stay for two
Checked
August 2026, against the listing it is let through
A single one-bedroom mill in wood and stone, with a private terrace, an outdoor barbecue and breakfast included, on the ridge at Aveleira in Lorvão, a short drive from Coimbra. The mills at Aveleira are a documented group and a municipal heritage point, so the building has a context rather than just a shape. No site of its own, so the link is the listing.
Not a Casoneta feature — this house has no site of its own, so the link goes to the listing it is let through.
05
Forest Windmill near Nazaré
Centre, Mainland Portugal
This is the house inside a nineteenth-century windmill on a wooded hilltop, ten minutes from the beach at Nazaré.
The building
A nineteenth-century windmill on a wooded hilltop
Size
Let as a single unit
The tradeoff
No page of its own, so the link goes to the listing
Checked
August 2026, against the listing it is let through
One renovated nineteenth-century mill on a forested hilltop, let as a single unit, with walking trails starting next to it and Nazaré, São Martinho do Porto and Óbidos all within reach. The hilltop and the trees are what separate it from the other mainland entries: this is the one where the point is staying put. It has no page of its own, so the link goes to the listing.
Not a Casoneta feature — this house has no site of its own, so the link goes to the listing it is let through.
Windmills convert well. A stone tower is already one room per floor, it already
has a view in every direction, and there is nothing about it that needs
disguising.
Four of the five here are a single mill let whole to one party — the version of
this that actually delivers what the photograph promises. Moinho das Feteiras is
the exception, and a good one: the mill sleeps two and three more houses sit on
the same four thousand square metres, so you are on a small property rather than
alone on a cliff. Only that one is on an island; the other four are mainland,
spread between Santarém and the Centre. Three of the five have no website of
their own, and their cards say so — for those the link goes to the listing they
are let through.
A round room asks something of whoever furnishes it, and the five deal with it
differently. At Fadagosa the answer was to keep the machinery: the original
gears sit overhead as the reason the building exists. At Feteiras the setting
does the work — the bedroom takes the whole top of the tower, with the sea on
every side of it and four thousand square metres of fruit trees below. The
mainland three keep it simpler: one mill, one party, and walls that were built
to take the wind.
None of the five is featured here. Every link goes to the property’s own page,
or, where there is none, to the listing it is let through.
