Best Anchorages in the Cyclades
The Cyclades are the heart of Greek island sailing — iconic, dramatic, and demanding. The meltemi blows hard in July and August. Sail in May–June or September for the same crystal water with manageable winds. These 10 anchorages have been verified for depth, meltemi shelter, holding, and anchor alarm radius.
About Cyclades Sailing
The Meltemi
The meltemi is a dry, clear N/NW wind that dominates the Cyclades from June to September — F4–6 on most afternoons, F7–8+ in July and August over the open central Aegean. It builds from 09:00–11:00 and eases at sunset. Sail between 06:00–09:00 for calm passages. Anchor by noon.
North vs South
The southern islands — Sifnos, Milos, Folegandros, Serifos — receive deflected, lighter meltemi than the northern Cyclades. Hill topography on Sifnos and Milos creates genuine all-weather anchorages like Vathi and Provatas that are unavailable further north. Syros, Paros, and Mykonos face the full northern Aegean meltemi fetch.
Posidonia Protection
Posidonia oceanica seagrass meadows are widespread across the Cyclades seabed. Anchoring on Posidonia is prohibited under EU law and enforced with substantial fines. Always seek sandy patches; snorkel to verify the bottom before setting the anchor alarm and going below.
Best Timing
May–June and September are the ideal Cyclades sailing window: reliable F3–4 meltemi (manageable sailing), water temperature 23–25°C, and a fraction of the July–August crowd. Popular bays fill by 12:00 in July–August — in peak season, plan to be at anchor before noon.
Meltemi Alert — Cyclades
The meltemi can build from flat calm to 30+ knots within 2–3 hours on summer afternoons. In July–August over the open central Aegean between the islands it regularly reaches F6–8. Always run a GPS anchor alarm overnight — an anchorage that feels calm at anchor set can see significant gusts and wind-driven swell by dawn, especially on the northern islands. The recommended alarm radii in these guides account for expected meltemi swing and scope.
10 Verified Anchorages
Vathi
(Βαθύ Σίφνου)Good holdingKamares (Sifnos main port)Vathi is consistently rated the safest natural anchorage on Sifnos, tucked into a spectacular omega-shaped bay on the island's SE coast.
Depth
3–5m
Bottom
sand
Alarm Radius
65m
Crowds
Busy
Full anchoring guide →
Kleftiko
(Ορμος Κλέφτικο)Good holdingAdamas (Milos main port)Kleftiko is among the most spectacular anchorages in the Cyclades — a series of white volcanic rock bays and sea caves on the remote SW coast of Milos, accessible only by boat.
Depth
4–8m
Bottom
sand
Alarm Radius
60m
Crowds
Very Busy
Full anchoring guide →
Provatas Bay
(Παραλία Προβατάς)Good holdingAdamas (Milos main port)Provatas is a generous double-headed sandy bay on the south coast of Milos, offering outstanding meltemi shelter from the prevailing N/NW summer winds.
Depth
3–7m
Bottom
sand
Alarm Radius
80m
Crowds
Moderate
Full anchoring guide →
Naoussa Bay
(Νάουσα Πάρου)Good holdingParos Town (Parikia)Naoussa is one of the largest natural harbours in the Cyclades, a bay complex with multiple inlets offering anchorage options for various wind directions.
Depth
5–12m
Bottom
sand
Alarm Radius
80m
Crowds
Very Busy
Full anchoring guide →
Ormos Agios Georgios
(Άγιος Γεώργιος Αντιπάρου)Good holdingAntiparos TownAgios Georgios is a pleasant, quiet bay on the SE coast of Antiparos with a slowly shelving sandy bottom and a beautiful view across to the uninhabited islet of Despotiko and its ancient sanctuary ruins.
Depth
4–8m
Bottom
sand
Alarm Radius
70m
Crowds
Quiet
Full anchoring guide →
Koufonisi Harbour (Parianos)
(Παριανός Κουφονήσι)Good holdingNaxos TownParianos is the only harbour on Koufonisi (Epano Koufonisi), the busiest of the Small Cyclades islands, popular for its turquoise water, excellent beaches, and vibrant summer scene.
Depth
3–6m
Bottom
sand
Alarm Radius
45m
Crowds
Busy
Full anchoring guide →
Livadi
(Λιβάδι Σερίφου)Fair holdingLavrio (mainland)Livadi is the only harbour on Serifos, set in a wide SE-facing bay below the dramatic hilltop Chora.
Depth
3–6m
Bottom
sand
Alarm Radius
75m
Crowds
Moderate
Full anchoring guide →
Kamares
(Καμάρες Σίφνου)Fair holdingSerifos (Livadi)Kamares is the main port and ferry terminal on the western coast of Sifnos.
Depth
3–5m
Bottom
sand
Alarm Radius
70m
Crowds
Busy
Full anchoring guide →
Karavostasis
(Καραβοστάσι Φολεγάνδρου)Fair holdingSantorini (Thira/Athinios)Karavostasis is the only port on Folegandros, one of the most beautiful and unspoiled of the Cyclades.
Depth
3–5m
Bottom
sand
Alarm Radius
65m
Crowds
Moderate
Full anchoring guide →
Ormos Finikas
(Φοίνικας Σύρου)Good holdingErmoupolis (Syros capital)Ormos Finikas is one of two natural harbours on Syros and one of the best all-weather anchorages in the northern Cyclades.
Depth
4–6m
Bottom
sand
Alarm Radius
70m
Crowds
Moderate
Full anchoring guide →
Kleftiko (Milos) — Mandatory Safety Zone
By Greek Government Gazette No. 6499 (vol. B', 15.11.2023), all vessels are temporarily prohibited from approaching within 25m of the Kleftiko cave entrances and cliff faces due to active rockfall and landslide risk. Anchoring in the bay is still permitted — maintain a minimum 25m clearance from all rock faces. The caves can be visited by dinghy, observing the exclusion zone.
Greek Anchoring Rules — Cyclades
Anchoring in the Cyclades is generally free in most bays. Key requirements:
- !DEKPA (Transit Log): Required for all yachts over 7m. ~€30. Obtain at first port of entry: Piraeus, Lavrio, Syros, Paros Town (Parikia), or Milos (Adamas).
- !TEPAI Cruising Tax: ~€8/m per month for yachts 7–12m. Pay online at e-tepai.gr before arrival. Keep the receipt on board.
- !Posidonia seagrass: Anchoring on Posidonia meadows is prohibited (Greek Law 3937/2011 and EU Habitats Directive). Widespread in the Cyclades — snorkel to verify bottom type before setting your alarm.
- !Kleftiko exclusion zone: 25m mandatory clearance from cave entrances and cliff faces (Gov. Gazette 6499, Nov 2023) — active rockfall risk.
For full details, see our overnight anchoring rules by region guide.
Monitor Your Anchor Overnight
Safety Anchor Alarm watches your GPS position continuously and sounds an instant alert if your boat drifts outside your set radius — so you can sleep through the Cyclades night, even when the meltemi peaks at midnight.
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