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waypoints / Santorini (Thira) – Serifos Timings are not live · Documented
Route

Santorini (Thira) to Serifos

2 operators run this water, from 3 h 20 to 6 h 15 — a difference of 2 h 55 on the same crossing.

Every way across

One row per operator and speed. Where a service is sold as fast and its average does not clear 45 km/h, the word appears in quotation marks — the boat is fast craft, the crossing is not.

SeaJets Santorini (Thira) → Serifos fast crossing 3 h 20 "fast" daily
Cyclades Fast Ferries Santorini (Thira) → Serifos fast crossing 6 h 15 "fast" rate not held

Other ways to reach Serifos

If this crossing does not suit, these quays also reach Serifos without a change. It is the question a single-route page cannot answer about itself and an atlas can.

Sifnos – Serifos 20 min Aegean Sea Lines, Blue Star Ferries
Kythnos – Serifos 40 min Aegean Sea Lines, Cyclades Fast Ferries
Kimolos – Serifos 50 min Aegean Sea Lines, Blue Star Ferries
Milos – Serifos 1 h 10 Aegean Sea Lines, Blue Star Ferries
Paros – Serifos 2 h 05 Blue Star Ferries, Hellenic Seaways
Folegandros – Serifos 2 h 20 Cyclades Fast Ferries, SeaJets
Lavrio – Serifos 2 h 30 Magic Sea Ferries
Santorini Thira – Serifos 3 h 20 Cyclades Fast Ferries, SeaJets
Piraeus-Athens – Serifos 3 h 45 Aegean Sea Lines, Cyclades Fast Ferries
Sikinos – Serifos 4 h 05 Cyclades Fast Ferries

And other ways to reach Santorini (Thira)

Ios – Santorini (Thira) 40 min Blue Star Ferries, Cyclades Fast Ferries
Folegandros – Santorini (Thira) 45 min Cyclades Fast Ferries, SeaJets
Anafi – Santorini (Thira) 1 h 15 Blue Star Ferries
Katapola – Santorini (Thira) 1 h 15 SeaJets, Small Cyclades Lines
Naxos – Santorini (Thira) 1 h 25 Blue Star Ferries, Golden Star Ferries
Heraklion – Santorini (Thira) 1 h 35 Blue Star Ferries, SeaJets
Koufonissi – Santorini (Thira) 1 h 50 SeaJets
Paros – Santorini (Thira) 1 h 50 Blue Star Ferries, Golden Star Ferries
Milos – Santorini (Thira) 1 h 55 Cyclades Fast Ferries, SeaJets
Mykonos – Santorini (Thira) 2 h 20 Blue Star Ferries, Golden Star Ferries

Where else these quays go

Also from Santorini (Thira)

Anafi · Andros · Athens (Rafina) · Chalki · Diafani · Folegandros · Heraklion · Ios · Karpathos · Kasos · Katapola · Kea · Kimolos · Kos

Also from Serifos

Amorgos · Andros · Folegandros · Heraklion · Ios · Katapola · Kea · Kimolos · Koufonisia · Koufonissi · Kythnos · Lavrio · Milos · Mykonos

Which months this runs

Season not heldwe can say when we looked, not which months run

Our records for the Santorini (Thira)–Serifos crossing were read on 11 August 2026 and describe the network as it ran that week. We hold no month-by-month variation, so this page cannot tell you whether a crossing runs in February.

If you are travelling well outside August 2026, confirm with the operator before you plan around it.

What we do not know

No fares. The choice between SeaJets at 3 h 20 and Cyclades Fast Ferries at 6 h 15 is mostly a price decision, and we hold no prices for either.

No departure times. A weekly rate is a lower bound on how often the crossing runs — never a clock.