Least crowded Greek islands in August
Least crowded Greek islands in August are islands that remain quiet even at the height of summer, when elsewhere ports overflow and beach beds fill by morning, here you still find sleepy harbours, half-empty quays with fishing nets drying in the sun and long afternoons where the loudest sound is the cicadas.

They are islands where August feels like a private summer, with hidden pebbled coves reached by dusty paths, villages that keep their slow, local pace despite the season, simple tavernas where the owner has time to sit and chat, and evenings cooled by meltemi winds under vast, starry skies far from any crowd, creating that rare sense of escape when most of Greece is full.
| Island | Description |
|---|---|
| Anafi | Beaches Klisidi Roukounas remain peaceful even in summer making Anafi perfect for quiet days by sea, only 1 hour 30 from Santorini hasn’t seen mass tourism — elite peaceful even in summer August. |
| Folegandros | If after white-washed houses blue-domed churches without hordes people lesser known Folegandros well-worth detour humble little sister to Santorini just as dramatic yet far less crowded and expensive, with breathtaking landscape pristine beaches authentic culture one of least touristy you can find immerse yourself without hustle and bustle — elite far less crowded August. |
| Astypalea | If want to escape crowds discover real Greece add pristine islands bucket list although there are tourist facilities Astypalea isn’t most modern destinations so expect true escape relaxation rest taste slow Greek living — elite true escape August. |
| Serifos | Picturesque home of Cyclops underrated gem picture-perfect beaches beautiful bays rockiest island rugged wild also least-visited — elite least-visited August. |
| Sifnos | Ones to look at are Sifnos Serifos Milos and more popular but certainly not undoable in high season Paros and Naxos parts will be pretty crowded in July/Aug but as long as hire car able to get away from crowds — elite not undoable high season August. |
| Milos | Same Sifnos Serifos Milos — elite high season alternative August. |
| Ikaria | 6 quiet non-touristy from relaxed Ikaria to UNESCO-listed Halki, Island of Longevity remains far from overrun invites to unplug — elite quiet non-touristy August. |
| Chalki | UNESCO-listed Halki same 6 quiet non-touristy — elite quiet non-touristy August. |
| Donousa | Little Cyclades scattered southeast of Athens remain quietly spectacular and almost empty by comparison rooms 50-100 euros night fraction famous — elite almost empty August. |
| Iraklia | Least visited authentic trails — elite least visited August. |
| Kythira | Greece’s Forgotten Island least commercialised population less than 3,500 few international tourists definitely quietest beaches far less crowded — elite forgotten least commercialised August. |
| Tilos | For pure unadulterated nature you won’t find many places better than Tilos good pick for couples romantic base — elite nature uncrowded August. |
| Schinoussa | Little Cyclades quietly spectacular almost empty — strong almost empty August. |
| Koufonisi | Ten islands route Syros Paros Antiparos Naxos Koufonisia Amorgos Folegandros Milos Sifnos Serifos — strong quietly spectacular empty August. |
| Kimolos | Small Cycladian gem hidden north of Milos — strong hidden north less crowded August. |
| Agios Efstratios | Population less than 300 few international tourists — strong tiny uncrowded August. |
| Kasos | Eastern border rich history silky sand beaches quiet villages hidden gems where Greeks vacation Americans rarely — strong hidden gem August. |
| Kastellorizo | Easternmost hidden gem quiet villages — strong far eastern uncrowded August. |
| Lipsi | Dodecanese quiet villages ideal getaway — strong quiet August. |
| Fournoi | Same quiet — strong small August. |
| Agathonisi | Small Dodecanese small population — strong uncrowded August. |
| Gavdos | Southernmost population less than 100 least visited southernmost — strong southernmost August. |
| Antikythera | Population 20-30 forgotten — strong forgotten August. |
| Kalamos | Ionian small few international tourists — strong Ionian quiet August. |
| Meganisi | Ionian small few international tourists — strong Ionian quiet August. |
| Alonissos | Although largest Sporades least touristy perfect kick-your-feet-up — strong least touristy Sporades August. |
| Sikinos | Quiet Cyclades remote hiking solitude — strong remote August. |
Who it suits and why
Best for travellers who want August sun without August crowds. These islands suit those who love peak summer heat, warm seas and still finding space – headed by Anafi, Donoussa, Irakleia, Schinoussa, Kimolos, Sikinos, Kassos, Kastellorizo and Fourni where even in the busiest week of August you can swim in a cove with no one else. Ideal if you want tavernas without a waitlist and nights that are calm, not clubbed.
Less suited to those who want full service and buzz in high summer. If you want direct August flights, large resorts with pools, beach clubs, hundreds of restaurants and late nightlife, these least crowded islands in August will feel too quiet, too basic and too difficult when the rest of Greece is packed.
What to keep in mind
August is the absolute peak, even on quiet islands, so book early. None have international airports, so you fly to Athens or a hub with 3 to 4.5 hour UK flights then take ferries of 4 to 12 hours, often only 2 to 4 times a week, and rooms are small family guesthouses that still sell out in August because beds are so limited.
On the ground expect true high summer. August means 31 to 36 degrees, UV 9 to 10, sea at 25 to 27 degrees and the strong meltemi north wind in the Cyclades which can delay ferries, while buses are rare and beaches are unorganised with no sunbeds, bars or shade. Bring SPF 50, cash, water and hat, and leave buffer days around ferries as cancellations are common in mid August.
Sources
- https://www.getgreece.com/post/5-greek-islands-least-tourists — Beaches Klisidi Roukounas remain peaceful even in summer making Anafi perfect quiet days by sea — proves Anafi peaceful even in summer August.
- https://www.delicious.com.au/travel/international/gallery/best-lesser-known-greek-islands-escape-crowds/qzjjgsfe?r=travel — If after white-washed houses blue-domed churches without hordes people lesser known Folegandros well-worth detour humble little sister to Santorini just as dramatic yet far less crowded and expensive — proves Folegandros far less crowded.
- https://thepointsguy.com/travel/gorgeous-greek-islands-you-have-to-visit/ — If want to escape crowds discover real Greece add pristine islands bucket list although there are tourist facilities Astypalea isn’t most modern destinations so expect true escape relaxation rest — proves Astypalea true escape.
- https://www.tripadvisor.co.za/ShowTopic-g189398-i192-k7799958-Greek_Islands_in_August_need_advice_please-Greece.html — Ones to look at are Sifnos Serifos Milos and more popular but certainly not undoable in high season Paros and Naxos parts will be pretty crowded in July/Aug but as long as hire car able to get away — proves Sifnos Serifos Milos advice July/Aug crowded.
- https://www.ferryscanner.com/en/blog/less-touristy-greek-islands — With breathtaking landscape pristine beaches authentic culture Folegandros is one of least touristy you can find immerse yourself without hustle and bustle — proves Folegandros least touristy.
- https://www.ferryhopper.com/en/blog/featured/greek-hidden-gems — Then what you are looking for is Folegandros quiet and oh-so romantic where time has seemingly stopped still feels very much undiscovered paradise on earth — proves Folegandros quiet oh-so romantic undiscovered.
- https://www.travelsupermarket.com/en-gb/blog/guides/the-quiet-greek-islands-a-hop-away-from-holiday-favourites/ — Easy-to-reach Greek islands such as Mykonos Santorini Corfu Kos Kefalonia tend to pull big tourist crowds for good reason. But for much slower pace head for lesser-known quiet islands nearby — proves Mykonos Santorini Corfu Kos Kefalonia pull big crowds.
- https://travelthegreece.blogspot.com/2026/05/best-greek-islands-to-visit-in-2026.html — Which Greek islands are least crowded in 2026? These islands are beautiful accessible and still operate well below mass-tourism radar — proves least crowded operate below radar.
Back to Greek islands ranked by Tourism
The Greek Island Directory is a project of passion where a love of Crete, Data Integrity and Directories converge to create something truly special for users: Learn More.
Last Updated on August 12, 2026 by admin
