Handpicked experience · Santorini
Santorini, Greece
A private five-hour boat around the flooded crater that Santorini is built on — volcano islet, sulphur springs, a quiet island opposite, and dinner as the light goes.
A full caldera cruise with views of the cliffs and the open water
A shore visit to Nea Kameni for the walk to the crater and the lava formations
A swim stop at the natural hot springs, with swimwear and a towel needed
A two-course Greek dinner served on board while sailing to Thirasia at sunset
Santorini is the rim of a volcano that blew its middle out and let the sea in. Everything visitors photograph — the white towns strung along a cliff edge three hundred metres above the water — makes sense only from inside that flooded crater, which is where this afternoon takes you. Five hours, a private boat, and four stops that between them cover the geology, a swim, a quieter island and the sunset the place is famous for.
You make your own way down to the water and board, then cross the caldera towards the dark islet at its centre. Nea Kameni is the young volcano still building inside the old one: bare black rock, no vegetation to speak of, and a path up to the crater rim that takes around forty minutes there and back.
From there the boat moves to the neighbouring islet where warm mineral water seeps into a shallow bay, and anchors offshore for the swim. Afterwards you sail across to Thirasia, the sliver of land on the far side of the caldera that was part of the same island before the eruption and now holds a few hundred people. Dinner is served aboard as the boat turns back and the light goes.
This is the practical thing nobody mentions and everybody discovers. The water in that bay is heavy with iron oxide and comes out somewhere between ochre and rust. It marks fabric permanently. Wear something old, and be aware that the boat anchors out in the deeper water — you swim the last fifty metres or so to reach the warm part, which is a surprise to anyone who pictured stepping into a pool.
The islet has no shade whatsoever and the black ground holds heat like a stove. The path is loose grit rather than steps and there is nothing to hold. It is not a difficult walk in cool conditions and it is a genuinely draining one at three in the afternoon in July. Shoes with a closed toe are worth more than any other single thing you bring.
Transfer to the boarding point is not part of this booking, and the caldera ports sit below the towns rather than in them, reached by cable car, by road, or by a long flight of steps. Work out which applies to your departure point and leave more time than the map suggests.
The famous view is from the cliff-top town at the northern end, where several thousand people gather each evening for it. Watching the same sun from the middle of the caldera is a quieter proposition, and the cliffs themselves turn colour as the light drops, which is the part you cannot see when you are standing on them.
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Very likely. The water carries heavy iron oxide and stains fabric permanently, so wear something you do not care about rather than anything new.
You swim. The boat anchors in deeper water and it is roughly fifty metres to the warm shallow part, which catches out anyone expecting to walk into a pool.
Not technically difficult, but the islet has no shade at all, the ground is loose black grit that holds heat, and the round trip to the crater rim takes about forty minutes. In July afternoons it is genuinely draining.
Closed shoes with a grip. Sandals and flip-flops are a poor idea on loose volcanic scree, and the surface gets hot enough to be uncomfortable through thin soles.
Under your own arrangements — transfer to the boarding point is not included. The caldera ports lie below the cliff-top towns and are reached by cable car, by road or by a long stair, so allow extra time.
Different. The famous cliff-top vantage draws thousands every evening; from the middle of the caldera you get the same sun with far fewer people and, uniquely, the colour change across the cliffs themselves.