Standing marble columns with a lintel among scattered ruins and spring grasses on Delos
Heritage · Delos, near Mykonos (South Aegean)

Delos

Sacred island of Apollo and ancient trading port, a UNESCO World Heritage Site off Mykonos

Ambient sound · similar settingA tree full of cicadas on a Greek summer day
Photo: Chloé Lefleur (@chloe_lefleur) / Unsplash

Discover Delos

Delos is a small, rocky island of about 3.4 square kilometres lying just south-west of Mykonos, yet in antiquity it was one of the most sacred places in the Greek world. According to myth Apollo and Artemis were born here, and the sanctuary of Apollo drew pilgrims from across Greece for centuries. Today the whole island is an archaeological site, with no permanent residents and nowhere to stay overnight.

Stepping off the boat, you walk among the remains of temples, colonnades, markets, houses with mosaic floors and a marble theatre, with the hill of Mount Kynthos rising above. The weathered lions of the Terrace of the Lions, wild flowers in spring and the surrounding blue sea make it a striking place. Most visitors come as a half-day trip from Mykonos, and a few hours on the island give a vivid sense of a city that once linked the whole eastern Mediterranean.

Don’t miss

  1. 01Terrace of the Lions, marble guardians dedicated by the Naxians around 600 BC (originals in the site museum)
  2. 02Sanctuary of Apollo and the Sacred Way
  3. 03House of Dionysus with its mosaic of the god riding a panther
  4. 04Ancient marble theatre with views over the sea
  5. 05Climb to the summit of Mount Kynthos for a view over the whole site
  6. 06Archaeological Museum with sculptures, mosaics and everyday objects

History & culture

The story of Delos

Traces of settlement on Delos go back to the 3rd millennium BC, and by the Archaic period the sanctuary of Apollo was a major religious centre. Shortly before 600 BC the people of Naxos dedicated a row of marble lions along the Sacred Way, seven of which survive. In the 5th century BC the island held the common treasury of the Delian League until Pericles moved it to Athens in 454 BC, and Athenian purifications later banned births and burials on the island.

In 166 BC Rome made Delos a free port, and it became a crowded commercial hub of the eastern Mediterranean, home to merchants from many lands and their temples and houses. Attacks during the Mithridatic Wars in 88 and 69 BC began a long decline, and the island was eventually abandoned. Excavations began in 1872 and continue today. UNESCO inscribed Delos on the World Heritage List in 1990.

Local life & traditions

Delos has no village or permanent population; apart from site staff and archaeologists, it is uninhabited, and visitors must leave on the last boat. Its connection with daily life now runs through Mykonos, whose boatmen and guides ferry visitors across each morning, and whose Archaeological Museum displays further finds from Delos and neighbouring Rhenia. For Greeks, the island remains a powerful symbol of the ancient religious and commercial world of the Aegean.

Things to do

Experience it like a local

Plan on two to four hours on the island to see the main areas and the museum. A sensible route follows the Sacred Way to the sanctuary of Apollo and the Terrace of the Lions, then crosses to the theatre quarter, where houses with mosaics line the old streets. If you have the energy, climb Mount Kynthos, a short but steep walk, for a panorama over Delos, neighbouring Rhenia and Mykonos.

Many visitors join a guided tour from Mykonos, which helps make sense of the scattered ruins. Private boat trips can add a swim off uninhabited Rhenia on the way back. Spring is especially rewarding, when the site is carpeted with wild flowers.

When to go

Spring (April to June) and autumn (September to October) are ideal, with gentler temperatures and fewer crowds; in spring the ruins are surrounded by flowers. In July and August the island is very hot with almost no shade, so take an early boat. Boat services depend on the weather and can be cancelled in strong winds. The site closes in winter, from December to March, except by written request.

Plan your visit

Verified information

UNESCO World Heritage
Inscribed on the World Heritage List in 1990. Source: whc.unesco.org ↗
Opening hours, autumn–winter 2026 (as published)
16–31 October: daily 08:00–18:00 (last entry 17:30); November: daily 08:00–16:00 (last entry 15:30); 1 December–31 March: closed, visits only by written request. Source: cyclades.culture.gov.gr ↗
Admission (as published, Oct 2026)
Archaeological site and museum: full €20, reduced €10. Source: cyclades.culture.gov.gr ↗
Getting there
Boats leave Mykonos port daily between about 9:00 and 10:00 and return until about 19:30 in season; crossing 30–45 minutes. Seasonal boats also run from Naxos, Paros and Tinos. Source: discovergreece.com ↗
Facilities
There is nowhere to stay or eat on Delos; bring water and snacks. Source: discovergreece.com ↗

Checked against the sources on 27 October 2026. Opening times and fees can change — confirm before you go.

Travel tips

  • Take an early boat in summer, as there is very little shade on the island.
  • Bring a hat, sunscreen, water and snacks; wear sturdy shoes for uneven ground.
  • Check boat return times before you set off and allow time to get back to the jetty.
  • Consider a licensed guide or audio guide to understand the scattered ruins.
  • Do not climb on or touch the monuments; stay on paths where marked.

General guidance from our specialists, not official information.

Around Delos: food, markets & places to stay

Delos is reached by boat from the old harbour of Mykonos Town, where tour operators sell tickets on the quayside. Mykonos Town has the nearest cafés, restaurants and accommodation, as well as the Archaeological Museum, which holds pottery from Mykonos and Delos. In season, some boats also link Delos with Naxos, Paros and Tinos.

Delos & what’s nearby

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Delos in pictures

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Sources & verification

This guide was researched from the sources below and reviewed by our team on 27 October 2026. Facts under “Verified information” link to the page they were checked on; travel tips are general guidance. Photos are credited on each image. The ambient recording’s author and licence are shown in the sound player.

  1. Delos — UNESCO World Heritage Centre
  2. Opening Hours & Admission 2026 — Ephorate of Antiquities of the Cyclades
  3. A day tour to Delos from Mykonos — Discover Greece
  4. Delos — Wikipedia

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