Will This Yacht Reach the Islands You Want?

Most yachts in our Greek fleet will handle the routes most clients actually want, and the ones that will not are easy to spot before you sign anything. Send us the yacht and the route and we run the arithmetic for you: cruising speed against the hours a day your group will actually want to be underway. That gives the only number that matters, which is how far you move in a day, and you get the answer back rather than a formula.

If the number comes up short, the trip is not off. We change the yacht, the start point, the direction of the route, or one stop, and all 4 of those still leave you with the week you wanted.

Quick answer

• About 9 knots buys roughly 50 to 55 nautical miles in a comfortable 6 hour cruising day. About 15 knots buys roughly 90.
• The Saronic Gulf works on almost any yacht. Every leg out of Athens stays short.
• Santorini is the real test, at roughly 130 nautical miles from Athens each way, and the yacht cannot go into port there. The rest of the outer Cyclades sit in the same territory.
• Brochure cruising speed is a ceiling, not a promise. Crews slow down in a swell.
• If the numbers come up short, the trip is not off. We change the yacht, the start point, the direction, or one stop, and you still get the week you wanted.

Turn cruising speed into a day’s range

A spec sheet gives you knots. What you need is miles per day, and the bridge between them is the number nobody puts in a brochure: how long your group will tolerate being underway. We plan on 6 hours as a comfortable maximum. Some groups happily do 8. Families with young children usually want less, and at 4 hours a 9 knot yacht covers closer to 35 miles.

At 9 knots, 6 hours covers roughly 50 to 55 nautical miles. At 12 knots it is about 70. At 15 knots it is about 90. That gap compounds across a week. It is the difference between a relaxed loop and a route that quietly turns into a delivery run with meals.

What each speed band opens up

At around 9 knots, you have the Saronic Gulf comfortably and the inner Cyclades if you accept 2 longer days. The hops between Syros, Mykonos and Paros are short enough that speed rarely becomes the problem. The one to watch is the crossing out from Kea, which turns into a real morning at 9 knots.

Around 12 knots, the standard Cyclades loop stops being a stretch. You can add Naxos or Ios without giving up a swim stop to do it. At 14 to 16 knots, the outer islands come into range on normal daylight legs and Santorini becomes a planning decision rather than a logistics problem. Above 20 knots, distance stops being the constraint, and weather becomes the only thing that moves your route. For the leg by leg travel times behind these bands, see our guide on how far you can go on a one week Cyclades charter.

What each band looks like in our Greek fleet

These are real yachts on our Greek list, not illustrations. Cruising speed is printed in the specs on every yacht page on this site, so you can check any shortlist yourself: start with the motor yachts or the catamarans.

CRAZY HORSE, a Lagoon Seventy 8 power catamaran in our Greek fleet, cruising at 12.5 knots.

The captain of CRAZY HORSE, the power catamaran in the video above, puts the run out of Athens into the Saronic islands at about 2 hours, against the 5 or 6 hours a sailing yacht needs for the same water. That is the practical shape of the trade: a faster hull hands you back the morning, and on a short route you may not need it.

Athens to Santorini: roughly 130 nautical miles each way

Santorini sits roughly 130 nautical miles from Athens. Out and back is roughly 260, before you have visited a single other island.

Do not read that as a symmetrical round trip. The Meltemi is a northerly, so the run down is the easy half and the return north is the slow, uncomfortable one, and captains take longer, safer lines rather than push straight into it. At 9 knots the 2 legs come to something like 29 hours of engine time in perfect conditions, and in a normal July week you should plan on more than that. At 15 knots they come down to roughly 17 hours, which is 2 long but civilized days that still leave you the rest of the week.

There is also a port fact worth having early, because it changes how the week ends. The yacht cannot go into port at Santorini. Guests go ashore by tender, which is normal there and works perfectly well. Finishing a charter at Santorini is the harder version, because disembarkation is by tender too and the rate normally carries 1 extra day for a Santorini finish.

Direction matters for the same reason. Athens to Santorini as a one way is common and bookable. Santorini to Athens is generally declined, because provisioning, docking and paperwork on the island are all difficult, so a one way week here runs southbound.

On a slower yacht there is a third option and it is a good one. The captain runs the long leg overnight while everyone sleeps, and you wake up at the island with the whole day in front of you instead of behind you. With a full crew on watch it is a comfortable, ordinary move rather than an endurance test. It does have to be agreed with the captain and the management company before you sign, which is why we raise it early rather than halfway through the week.

Speed is not the last word out there either. Weather can overrule any engine, so we plan the Santorini week around the Meltemi as much as around the throttle. If you are still choosing a hull type rather than checking a specific yacht, the best yacht type for a Santorini and Mykonos charter covers that side of it, and our 7 day Santorini itinerary shows how the week actually lays out.

The Saronic works on almost anything

If your shortlisted yacht is slow and you love it, point it at the Saronic Gulf instead. Athens to Hydra is roughly 35 nautical miles, Hydra to Spetses roughly 20, Spetses back up to Poros roughly 25 to 30. Every leg stays under about 4 hours even at 9 knots, which means long lunches, real afternoons ashore, and a swim stop between islands rather than a schedule. Here a slow yacht is not a compromise at all.

Why real cruising speed is slower than the spec sheet

Cruising speed on a spec sheet is measured in flat water, and the Aegean in July and August is frequently not flat water. When the Meltemi is up, a captain throttles back so your guests can hold a glass of wine. That is the crew doing their job, not a fault in the yacht.

Captains routinely tell us the real cruising number sits below the listed one, sometimes by several knots on an exposed leg. So if a yacht only just clears your route at its stated cruising speed, it does not really clear your route. Tell us which yacht you are looking at and we will ask her captain what she actually holds in a summer swell before you commit to the itinerary.

What a faster hull actually trades away

Ride comfort, mostly, and it is the thing people underestimate. A hull built to make 20 knots rides differently at speed from a displacement yacht ambling at 9, and in a chop your group will feel the difference. Faster is not automatically better. It is better at covering distance.

Fuel is the other side of it, and it is a smaller lever than most people expect: a faster hull burns more and it comes out of your APA rather than the charter fee. On a week that sits in the 100,000 to 250,000 euro band, fuel is not the number that decides which yacht you take. The actual figures are in our guide to fuel costs on a Greece charter.

When the yacht and the route do not match

There are 4 fixes, in the order we try them.

Change the yacht. Usually a move to a faster hull in the same budget band. If speed is the whole reason for the switch, read our comparison of sailing catamarans and power catamarans in Greece first, because hull type settles this more cleanly than length does, and our list of the fastest motor yachts we charter in Greece is the shortest route to a boat that solves it outright.

Change the start point. The cheapest version out of Athens is not a different island at all, it is a different port. Lavrio sits on the southeast side of Attica and takes a real bite out of the first crossing to Kea and the Cyclades, which on a slow yacht is most of a morning handed back on day 1. Beyond that, we see this most on Ionian requests. A client falls for an Athens based yacht and wants Zakynthos and Kefalonia, and the run out there is long, thin on scenery, and expensive in fuel. A yacht already based in the Ionian gives you direct access and lets you combine the northern and southern islands in one week. The same applies to the Dodecanese out of Rhodes or Kos. There is a fuller version of this argument in our guide to starting in the islands instead of Athens.

Switch to a one way itinerary. If Santorini or Mykonos is the point of the week, stop trying to come back. Dropping the return leg is the single biggest gain available on a slow yacht, and it is the fix our brokers reach for most often on this exact problem. It runs southbound: Athens to Santorini is a normal booking, the reverse generally is not. Our guide to round trip against one way in Greece covers the delivery cost and when it pays for itself.

Cut one stop. The last resort and the one clients resist most. Dropping the one island that sits furthest off your line, usually Santorini, hands most of 2 days back to the trip.

Send us the route and the yacht you are looking at

Send us the route and the name of the yacht you are looking at. We will run this arithmetic against the real distances and tell you plainly whether it works, whether it works with one change, or whether we would put you on something else. It is the most useful 10 minutes we can spend before you sign. If every yacht on your list already reaches where you want to go, here is how we choose between them.

Still choosing a region rather than a boat? Start with our comparison of the Cyclades, the Ionian and the Saronic.

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