A map of every Greek island
89 islands make up the checklist, grouped the way Greeks group them. Tap one and it fills in; the progress bar counts up as you go. The map is bundled with the app, so it draws with no signal and no account — there is no tile service behind it.
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89 islands
Every island a ferry reaches
From Othonoi in the far west to Kastellorizo off the Turkish coast: every inhabited island with a ferry and a bed for the night.
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24 islands
The Cyclades
White villages in a ring round sacred Delos. Most people’s first ferry, and the biggest region on the list.
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19 islands
The Dodecanese
Knights’ castles, and the long way east to Kastellorizo. “Twelve islands” by name; rather more of them in fact.
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13 islands
The Ionian
Green islands on the other side of the country: Venetian towns, a different sea, a different light.
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33 more
And the rest
The Saronic an hour from Piraeus, the wooded Sporades, the big islands of the North Aegean, Crete with Gavdos — and the islands that belong to no group at all.
Count yours: Saronic Sporades North Aegean Crete
Prefer it written out? The full list of all 89 islands, region by region — and the honest answer to how many islands Greece actually has.
What you get
- 112 islands in total The 89 of the main checklist, plus a 23-island expert tier of famous excursion islets like Delos, Spinalonga and Ro — scored separately so your main total stays honest.
- And 874 rocks, if you insist Cartographer mode lists every named rock, islet and skerry in Greek waters, for whoever goes looking for it. Nobody is going to finish it. It changes no other number in the app.
- Badges worth chasing Complete a whole region, reach the corners of the country, cross the halfway line. More than twenty, and some are harder than they look.
- Friends, side by side Share an invite link and put the two maps together: who has more, and exactly which islands one of you is missing. The leaderboard is private to the friends you added.
- A map worth posting One tap renders your map as an image with your score baked in, ready for a story or the group chat.
- Optional sync Sign in with Google or Apple only if you want the list on more than one device.
- Greek and English Every island name in both languages.
Questions
How many Greek islands does Pelagos track?
89 make up the main checklist: the inhabited islands people actually travel to, from Crete down to the smallest. Expert mode adds 23 excursion islets such as Delos, Spinalonga and Ro, the ones you visit for an afternoon without staying, scored separately so the main number stays comparable. Cartographer mode lists 874 named rocks and islets on top, scored separately again.
What is cartographer mode in Pelagos?
A third list, for whoever goes looking for it: every rock, islet and skerry in Greek waters that has a name, 874 of them, in Greek and English. It is a joke you are welcome to take seriously. Nobody is going to finish it, and it leaves your island count, your badges and your standing against friends exactly where they were.
Does Pelagos work offline?
The installed app does: the map and every island outline ship inside it, so it works on a ferry with no reception, and it needs no account. The browser version has to load over the network first, so install the app if you are heading somewhere without a signal.
Do I need an account to use Pelagos?
No. Your list lives on your device, in the app or in the browser you started it in. Signing in with Google or Apple is optional and only adds sync and the friends features; it is also how a list you began in the browser follows you onto your phone.
Is Pelagos free?
Yes, with nothing to buy. No ads, no third-party analytics, and no location tracking: Pelagos never asks where you are, you tell it where you have been.
Can I compare my islands with friends?
Yes. Share your invite link and the two maps go side by side, showing who has more and exactly which islands one of you is missing. A private leaderboard ranks only the friends you have added.