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Kos is, statistically, the second most visited island in the Dodecanese after Rhodes.
The comparison is useful: Rhodes has more, of almost everything — more archaeology, more medieval architecture, more coast, more town. But Kos has a particular combination of qualities that Rhodes does not. It is small enough to cross by bicycle. Its mountain interior is close enough to the coast that a morning on the beach and an afternoon in the hills with a jeep is entirely feasible.
And the concentration of significant history within Kos Town — Asklepieion above, Ancient Agora in the centre, Castle of the Knights at the harbour, Roman-era Casa Romana a few streets back — means that even visitors who came primarily for the beach find themselves engaged with something substantially older.
The island is 40 kilometres long and about 8 kilometres wide at its broadest point. The east is resort territory — Kardamena, Tigaki, Marmari — with long sandy beaches and the infrastructure of mass tourism.
The west, past the airport at Antimachia, becomes emptier: Kefalos, Agios Theologos beach, the Aspri Petra Cave with its prehistoric traces, the cape where a ruined medieval castle looks out over Kalymnos. The mountain interior is Mount Dikaios and the villages on its slopes — Zia, Asfendiou, Lagoudi — reached by winding roads through cypress and olive. This is where the sunset happens.
For flights, ferry connections, and island-hopping context, see Best Greek Islands to Visit and Greece Itinerary 10 Days. For the Dodecanese region overview, see Things to Do in Rhodes.
3-Island Cruise: Kalymnos, Plati & Pserimos
Type: Full-day boat cruise, swimming, Greek buffet lunch, dolphin spotting
Time needed: 7.5 hours (full day)
Departure: Kos harbour — look for the blue boat "Odyssey" opposite the Port Police. Check in by 9:30
Cost: From €40–50 per person (includes lunch; cocktails and drinks extra)
Best time: May–October; book ahead in July–August
The three-island cruise from Kos is one of the most popular day trips in the Dodecanese, and the Odyssey — a well-maintained blue boat with an experienced crew — is consistently the best-reviewed vessel running the route. In 7.5 hours the trip covers three completely different island personalities: Vathi on Kalymnos, a fjord-like bay of extraordinary stillness surrounded by limestone cliffs where you can explore a village famous historically for sponge diving; Plati, an uninhabited rocky islet where the boat anchors in turquoise water for swimming; and Pserimos, a tiny traditional island with around 130 permanent residents, a single sandy beach, and a handful of tavernas.
The on-board Greek buffet lunch — pork or chicken souvlaki, salad, tzatziki, bread, with a vegetarian option of beans and dolmades — is served between the first and second island stops. After lunch the crew watches for dolphins; sightings between Plati and Pserimos are common enough that they are mentioned consistently in reviews. A happy hour with cocktails at reduced prices runs in the late afternoon before the return to Kos.
With over 5,000 reviews at 4.8 stars, this is the highest-reviewed activity on Kos. "A lovely, relaxing day out with a tasty lunch and opportunities to swim — as well as see the local dolphins," writes one reviewer. "If you're looking for an alternative to the raucous pirate boats, this is a great option."
Book the Kos 3-Island Cruise with Lunch on GetYourGuide
Good to know: The Odyssey departs from Kos harbour opposite the Port Police — look for the blue boat. Arrive by 9:30 for check-in. Drinks are available to purchase onboard throughout the day. The Pserimos beach is small and becomes busy with day visitors in peak season; arrive at each stop with curiosity rather than space expectations.
Best for: All visitors to Kos. The three-island route is the island's defining day trip — three different Dodecanese personalities in a single relaxed day on the water.
Kos Island Tour: Asklepieion & Zia
Type: Guided island tour, archaeology, mountain village, traditional lunch
Time needed: Full day
Departure: Hotel pickup across Kos
Cost: From €35 per person (lunch not included)
Best time: April–October; avoid peak midday heat in July–August
The island tour that visits Asklepieion and the village of Zia covers the two inland highlights that beach holidays most frequently miss — and that give Kos its historical and cultural substance. Asklepieion is the ancient sanctuary of Asclepius built on three terraces above Kos Town, where Hippocrates taught and the Mediterranean's first systematic medical institution operated. The site combines significant ruins — column bases, altars, baths, a temple — with views across Kos Town and out toward the Turkish coast that give the whole complex an almost theatrical grandeur.
From Asklepieion the tour continues inland through the Dikaios mountain range, past olive groves and the village of Asfendiou, to the mountain village of Zia. At altitude on the slopes of Mount Dikaios, Zia sits above a panorama of the island and the surrounding Aegean; it is the most scenic village on Kos and the island's best location for lunch at a traditional taverna. The tour also passes through Antimachia, the village of Kefalos, and the beaches of the west coast.
Guide Pedro is mentioned repeatedly in reviews: "The guide Pedro/Peter is a great asset for the whole tour — entertaining and super interesting. A totally awesome trip." The combination of archaeology, mountain landscape, and a proper traditional lunch makes this the best single-day structured overview of what Kos contains beyond its beaches.
Book the Kos Island Tour to Asklepieion & Zia on GetYourGuide
Good to know: Lunch in Zia is not included and is paid separately at the taverna — budget approximately €15–20. Hotel pickup is available from most locations on Kos. The Asklepieion section involves walking on uneven ancient ground; comfortable shoes are essential. Morning departures are cooler and preferable in high summer.
Best for: History and culture enthusiasts, first-time visitors to Kos, and anyone who wants to understand the island beyond its beach and resort reputation. The Asklepieion alone justifies the half-day commitment.
Jeep or Quad Off-Road Tour with Drinks & Lunch
Type: Self-drive jeep or quad safari, mountain terrain, panoramic viewpoints, lunch
Time needed: Full day
Departure: Moto Harley Rentals office, Kos Town
Cost: From €60–90 per person (includes drinks, snacks, traditional Greek lunch)
Best time: May–October; morning starts recommended for cooler conditions
For the visitor who wants the mountain interior of Kos on their own terms — at their own pace, in control of the vehicle, with the option to stop wherever the view demands it — the self-drive jeep and quad safari is the alternative to guided group tours. The route runs from Kos Town up through the Dikaios range via unpaved mountain tracks, past a salt lake and olive groves, to a series of panoramic viewpoints where the coast and the surrounding islands are visible in multiple directions. Three drinks and a snack are provided during the drive; a traditional Greek lunch (gyros or similar) closes the day.
Drivers choose between a Suzuki Samurai 4x4 jeep (manual, fits four passengers; a class B licence is required for the driving option, though a passenger option requires no licence) or a quad ATV (automatic, more immersive, recommended in many reviews for solo travellers and couples). A short safety briefing and test drive precede departure.
Reviews are emphatic: "Wow what an experience! For me the quads are so much more immersive — the guides were very informative and excellent throughout the trip. Honestly one of my favourite ever holiday experiences." Another writes: "We saw so many lovely places and sights. Can't tell you how much fun we both had."
Book the Kos Jeep or Quad Off-Road Tour on GetYourGuide
Good to know: At least one customer per vehicle must hold a valid category B driving licence (EU or international) for the jeep driving option; the passenger option requires no licence. The quad is automatic and suitable for those without a car licence. The vehicle is insured with a €450 excess for the jeep, €650 for the quad — check your travel insurance.
Best for: Active travellers, couples, and small groups who want the mountain interior of Kos with the freedom of self-navigation. The quad option is particularly popular with solo travellers. Not recommended for anyone with back problems, fear of heights, or severe motion sickness.
Sunset Safari Tour with Dinner in Zia
Type: Evening off-road safari, sunset viewpoint, traditional dinner
Time needed: 4 hours (evening)
Departure: Hotel pickup across Kos
Cost: From €55 per person (includes dinner with one glass of wine)
Best time: May–October; departures timed to arrive at Zia for sunset
The sunset safari is the evening version of the mountain jeep experience — a four-hour trip through unpaved mountain routes to Mount Dikaios in premium off-road 7-seater vehicles, timed to arrive at a panoramic point above Zia as the sun drops over the Aegean. The island below, the Turkish coast, Kalymnos visible to the north, the light changing on the white stone — it is one of the more reliably spectacular sights in the Dodecanese.
After the sunset stop, the tour continues down to Zia village for a traditional Greek dinner at a taverna in the village: a platter of Greek mezedes with local wine and beer. The evening runs on local time — unhurried, long enough at each stop. Hotel pickup and drop-off is included throughout Kos.
The experience suits couples, small groups, and anyone who has already covered the daytime sights and wants an evening that involves more than a restaurant in the resort strip.
Book the Kos Sunset Safari Tour with Dinner on GetYourGuide
Good to know: Tour itinerary may be adjusted in poor weather. Dinner includes one glass of wine; additional drinks are available at the taverna. The off-road routes involve bumpy terrain — not suitable for those with serious mobility issues or back problems.
Best for: Couples, friends travelling together, and anyone who wants the Zia sunset with a proper dinner rather than a minibus transfer and self-navigation. A good option for the second or third evening on Kos.
Zia Village Sunset Tour with Hotel Pickup
Type: Afternoon/evening minibus transfer, sunset viewpoint, village walk, dining
Time needed: 3–4 hours (afternoon into evening)
Departure: Hotel pickup (pickup time confirmed via WhatsApp the day before)
Cost: From €20–25 per person (dinner not included)
Best time: May–October; evenings when weather is clear
The simpler and more affordable route to the Zia sunset — a minibus transfer with hotel pickup and drop-off, time in the village to explore independently, watch the sunset from the viewpoint or a rooftop taverna table, and return. No guide commentary, no structured itinerary: just transport to the village and time to spend it as you choose.
Zia itself warrants an hour of exploration before the sunset. The cobbled alleys hold artisan shops selling lace, ceramics, herbs, and local products; the Church of the Assumption is worth a look; the "Neromylos" café beside a traditional watermill is a good stop before dinner. The rooftop tavernas along the main viewpoint road fill quickly on clear evenings — booking a table in advance, especially in July and August, is strongly recommended.
"Well worth visiting Zia for the sunset! Most of the tavernas have rooftop tables with stunning views," writes one reviewer. "Cute little cobbled streets and lots of little shops to buy souvenirs. Highly recommend booking a table for one of the tavernas well in advance."
Book the Kos Zia Village Sunset Tour on GetYourGuide
Good to know: Pickup time is confirmed the evening before via WhatsApp. Dinner in Zia is paid separately — budget €15–25 per person depending on the taverna. This is transport and time in the village; it is not a guided tour. Ideal for independent travellers who simply need the transfer.
Best for: Budget-conscious travellers, those who prefer self-directed evenings, and couples who want the Zia sunset experience without committing to a structured guided tour or safari dinner package.
Kos Town: Ancient Sites and the Castle of the Knights
Type: Walking, archaeology, history, city exploration
Time needed: Half day
Cost: Asklepieion entry approx. €8; Casa Romana €4; Castle of Nerantzia €8
Best time: Year-round; mornings in summer avoid the heat
Kos Town itself rewards serious exploration. The Castle of the Knights of St John (Nerantzia Castle) stands at the harbour entrance — a two-level fortification built between the 14th and 16th centuries, with walls that enclose ruins of ancient columns, Byzantine fragments, and coats of arms from the Knights' various European nations. The views from the battlements cover the harbour, the Turkish coast, and the islands of the eastern Dodecanese.
Behind the castle, the Ancient Agora spreads across open ground in the town centre — one of the most extensive urban excavations in the Aegean, with market buildings, baths, temples, and a colonnade walkway visible in open excavation between the modern streets. The nearby Hippocrates Plane Tree — traditionally (though not quite accurately) said to be the tree under which Hippocrates taught — is 500+ years old and one of the largest plane trees in Europe. The Casa Romana is a reconstructed Roman villa from the 3rd century AD with mosaic floors and frescoed walls, one of the best-preserved Roman domestic interiors in Greece.
The combination of Castle, Agora, Casa Romana, and the Hippocrates Plane Tree can be covered in a half-day walking circuit from the harbour — a genuinely substantial piece of history for a morning.
Good to know: The Asklepieion (3 km outside town) requires a car, bike, or the tourist train that runs from Kos Town. The Ancient Agora is free to walk through at any time — it occupies open ground in the town centre. The Archaeological Museum of Kos (near the Ancient Agora) contains finds from across the island including the famous "Hippocrates statue."
Best for: History enthusiasts, first-time visitors, and anyone who wants to understand Kos as something more layered than a beach resort. The town's history is dense — allow more time than seems necessary.
Beaches: Tigaki, Paradise, and the Western Coast
Type: Beach, swimming, watersports
Time needed: Half day to full day per beach
Best time: May–October; September for warmth without peak crowds
Kos beaches vary considerably by location. The eastern resort strip — Tigaki, Marmari, Mastichari — offers long sandy beaches with full facilities (sun loungers, watersports, beach bars) and easy access from the town. Tigaki Beach, 12 km from Kos Town, is among the longest and most accessible; Mastichari, 30 km west, is better for windsurfing and kite surfing due to consistent afternoon wind.
The western end of the island is different in character. Paradise Beach near Kefalos is a long, partially organised bay with remarkably clear water; Agios Theologos, at the far western tip, is exposed to the open sea and best for watching sunsets over Turkey. Banana Beach and Camel Beach on the southern edge of the Kefalos peninsula are smaller, quieter coves reachable by rough track.
For activities near the beach, Kos Town's harbour area is the departure point for boat rentals, glass-bottom boat trips (useful for children), snorkelling tours, and the daily departures for the three-island cruise. The Lido Water Park near Mastichari is the largest on the island and a reliable option for families with young children.
Good to know: The prevailing afternoon wind in summer blows from the northwest — creating ideal conditions for windsports at Mastichari and Tingaki but making the west-facing beaches choppy by afternoon. East-facing beaches (Psalidi, Kos Town beach) remain calmer. Sun loungers on organised beaches typically cost €10–20 for a pair with umbrella.
Best for: The eastern beaches for families and watersports. The western coast for quieter swimming and more dramatic scenery. Cycling the coast road between Kos Town and Tigaki is one of the island's best free activities.
Practical Information
Getting to Kos:
Kos International Airport "Hippocrates" (KGS) receives direct seasonal flights from across Europe (UK, Germany, Netherlands, Scandinavia) and year-round domestic connections from Athens (55 minutes). Ferry connections from Athens (Piraeus, overnight), Rhodes (2–3 hours), and neighbouring Dodecanese islands. The Turkish port of Bodrum is 30–40 minutes by hydrofoil — a popular half-day add-on for EU passport holders.
Getting around:
Kos Town is extremely walkable and entirely bikeable. Bicycle hire is available everywhere for €5–10/day. Scooters and cars are available for exploring the rest of the island. The island's flat eastern half makes cycling practical; the western mountain roads require a car or motorbike. A tourist train runs between Kos Town and the Asklepieion.
When to go:
May–June and September–October offer warm weather, calm sea, and fewer visitors. July–August is peak season with full services but crowded beaches and boats. The island is quieter and cheaper outside summer but some boat trips and activities don't run before May or after October.
Where to stay:
Kos Town is the best base for culture and history access. The resort strip around Tigaki and Marmari suits beach-focused holidays. Kardamena in the south is the most resort-oriented — good for families and club/bar nightlife. Kefalos suits those wanting the quieter west coast. See Where to Stay in Greece.
Plan Your Kos Trip
- Things to Do in Rhodes — the Dodecanese capital, accessible by ferry from Kos
- Best Greek Islands to Visit — how Kos compares across the archipelago
- Greece Itinerary 10 Days — planning context for a wider Greek trip
- How to Plan a Trip to Greece — complete planning guide
- Best Places to Visit in Greece — national overview
🎒 Heading to the Dodecanese? Use our AI Trip Planner to build a custom itinerary across Kos, Rhodes, and the smaller islands, or take our quiz to find the right Greek destination for your travel style.
Written by
Athens-born engineer · Coordinates a 5-expert Greek team · 50+ years combined field experience
I write every article on this site drawing on real, first-hand expertise — mine and that of four colleagues who live and work across Greece daily: a Peloponnese tour operator, a transfer specialist across Athens, Mykonos & Santorini, a Cretan hotel owner, and a Northern Greece hotel supplier. Nothing here comes from a single visit or desk research.
Informed by 5 Greek experts
Every destination we cover has been visited and vetted by at least one team member — not for a review, but as part of their daily work in Greek tourism.