Twelve Islands Cruise: 7 Unmissable Stops by Private Yacht
What Is the Twelve Islands Cruise?
There are sailing routes, and then there are the ones people come back from slightly changed. The Twelve Islands cruise Turkey itinerary is firmly in the second category.
Running through the protected waters between Göcek Bay and Fethiye, this is one of the most celebrated stretches of Turkey’s Turquoise Coast, and for good reason. Sheltered anchorages, Byzantine ruins half-submerged in clear water, a valley that fills with butterflies in late spring, pine-covered hills dropping straight to the sea. It reads like a travel writer’s invention. It is not.
The name is a mild misnomer. The area around Göcek Bay alone has closer to twelve distinct islands and islets, many of them uninhabited, accessible only by private boat. That inaccessibility is precisely the point. On a crewed yacht charter, you reach places that simply cannot be reached any other way.
This guide covers everything you need to plan a week on this route: the key stops, how to choose the right boat, when to go, and what the people who know these waters best actually recommend.
The Route: Göcek to Fethiye, Stop by Stop
Most itineraries run from Göcek marina south and west through the bay before rounding into open water toward Fethiye. The exact sequence depends on wind, preference, and whether you want to linger. A well-run crewed charter gives you the flexibility to change course entirely if the weather or the mood suggests it.
Here are the stops that consistently earn their place on the itinerary:
Tersane Island

The first major anchorage west of Göcek, Tersane is named for the Ottoman dry dock whose ruins still sit at the water’s edge. You can swim directly to them. The bay is calm, the bottom sandy, the light in the late afternoon genuinely extraordinary. It is a reliable first night at anchor, peaceful enough to recalibrate after arrival.
Cleopatra Bay (Hamam Koyu)

A natural hot spring in Cleopatra Bay feeds warm, lightly sulphurous water into the sea here. Local tradition holds that Cleopatra bathed in it, though historians are understandably cautious about the claim. What is not in dispute: the combination of warm spring water and cool Aegean makes for an unusually good swim, and the ruins on the hillside above give the bay a sense of place that straight-blue anchorages sometimes lack.
Boynuzbükü and the Inner Bay Islands
The inner islands of Göcek Bay form a cluster of smaller anchorages suited to afternoon swims and long lunches. Boynuzbükü, Küçük Göcek, and Büyük Göcek each have their character. If your charter includes a capable chef, this is the kind of stop where a long mezze lunch on the aft deck makes the afternoon disappear.
Bedri Rahmi Bay
Named for a Turkish poet and painter who carved murals into the rock face here, Bedri Rahmi Bay is one of the more distinctive stops on the route. The art is still visible, faded but legible, and the bay is one of the livelier anchorages in high season, ringed by charter boats whose guests invariably end up swimming across to each other. Less intimate than Tersane, but with an energy that has its own appeal.
Katrancı Bay

South of Göcek and en route toward Fethiye, Katrancı is the kind of stop that earns its place by being genuinely excellent rather than historically notable. The water is deep blue and warm, the pine forest comes right to the shoreline, and the anchorage is sheltered enough to hold comfortably overnight. Provisions can be arranged here if your chef needs restocking.
Ölüdeniz Lagoon

The lagoon at Ölüdeniz is one of the most photographed stretches of water in the Mediterranean. Entry by private yacht requires coordination, as access to the inner lagoon is protected, but arriving by sea rather than the coastal road changes the experience entirely. The paragliders descending from Babadağ mountain overhead while you swim in the flat turquoise water is a specific kind of spectacle. It is worth the planning.
Fethiye Bay

The route concludes in Fethiye, where the town marina sits beneath Lycian rock tombs cut into the cliffs above. End-of-charter dinners here tend toward the waterfront fish restaurants around the harbour. The Fethiye market on Tuesday and Friday mornings is worth building into a departure day if timing allows.
Butterfly Valley: Why Everyone Talks About It

Kelebekler Vadisi, Butterfly Valley, sits in a steep-sided gorge between Ölüdeniz and Faralya. The cliffs are high enough on three sides that the valley floor catches and holds warm air, creating the microclimate that supports the Jersey Tiger moth population the valley is named for.
The moths are most visible from late May through early September. At peak season, the valley floor and the lower waterfall can be dense with them. It is one of those natural events where the reality exceeds the photographs.
Access by land is either a committed hike down unstable cliffs or a long drive to Faralya followed by the same hike. By private yacht, you anchor in the small beach cove at the valley’s mouth and take the tender in. No road. No car park. No crowd.
The valley has a small eco-camp at the base and a waterfall about twenty minutes’ walk inland. The walk is easy. Arriving to find it quiet, with your yacht visible through the cove entrance, is the kind of thing people find difficult to describe to friends who weren’t there.
Which Yacht Type Suits This Route?
The Göcek to Fethiye corridor suits almost every category of crewed vessel, which is part of why it became popular in the first place. The anchorages are deep enough for larger motor yachts, the distances between stops are short enough for sailing yachts on half-day passages, and the shallow, sandy bays are exactly what traditional gulets were built for.
Gulets

The traditional Turkish gulet is the classic vessel for a Blue Voyage itinerary, and the Twelve Islands route is where that tradition lives most authentically. A well-maintained gulet in Turkey, particularly a modern 24 to 30-metre build, offers generous outdoor deck space, shade, and a beam width that makes the aft deck genuinely social. The shallow draft allows anchoring closer to shore than most motor yachts can manage.
Motor Yachts

For guests who want air-conditioned interiors, faster passages, or the flexibility to extend the itinerary toward Marmaris or Rhodes, a crewed motor yacht is the natural choice. The route works well in either direction, and a motor yacht can cover the return leg from Fethiye to Göcek in a single morning if you want a second week somewhere else entirely.
Sailing Yachts

The Meltemi, the prevailing summer wind, runs reliably in these waters from late June through August. A crewed sailing yacht makes the most of the afternoon breeze between Göcek Bay and the Fethiye approaches, though the route is gentle enough that windless days in early or late season are never a problem.
Best Time to Sail the Twelve Islands
The honest answer is that the route works for nine months of the year. The practical answer depends on what you are optimising for.
May and June are the most consistently recommended months for this itinerary. The sea is warm enough to swim from the first week of May onwards. The crowds are thinner than July and August. Butterfly Valley is at its best in May and June specifically. The light in the late afternoon is longer and softer. Charter rates are typically lower than peak season.
July and August are high season. The anchorages are busier, rates are at their highest, and the Meltemi can be strong enough in August to push guests toward motor yachts or sheltered bays. If July and August are the only option, they still deliver. Just book early.
September and October have a loyal following among experienced charterers who know that the summer crowds thin out, the sea retains its warmth, and the pace of the whole coast shifts into something quieter. September on the Turquoise Coast is a genuinely strong argument for shoulder season sailing anywhere.
How to Plan and Book?
Work with a MYBA broker
The Twelve Islands cruise Turkey itinerary is well-suited to booking through a qualified charter broker operating under MYBA standards. A broker with knowledge of this specific coast can match the vessel to the anchorages, advise on provisioning, and manage the paperwork around Turkish cruising permits. For guests new to crewed charter, this is by far the most efficient entry point.
Provisioning and Cuisine
Most crewed charters in this region operate on an all-inclusive or half-board arrangement. The Turkish Aegean coast has exceptional local produce: fresh fish from Fethiye market, seasonal vegetables, local olive oil and cheeses, and a pastry tradition that rewards a good breakfast table. A charter chef with regional knowledge will use the markets at Göcek and Fethiye to shape the menu around what is actually good that week.
Turkish Cruising Permits
Non-Turkish-flagged vessels require a Transit Log to cruise Turkish waters. Your broker or charter company handles this as standard, but it is worth confirming at the inquiry stage. VAT registration and flag status affect the cost structure, so a clear conversation about pricing at the outset avoids surprises.
Pricing Considerations
Weekly charter rates on this route vary significantly by vessel type, size, and season. A traditional gulet in the 20-metre range starts from approximately €10,000 per week in shoulder season. Modern motor yachts and larger sailing yachts move into a higher bracket. Crew gratuity, fuel, port fees, and provisioning are typically additional to the base charter fee. An experienced broker will produce a full cost estimate, not just a headline rate.
Insider Tips From the Crew
These come from captains and crew who have run this route hundreds of times between them.
Anchor early at Butterfly Valley. The cove is small and fills up by midday in peak season. Arriving by 10am secures a good position and means you have the morning walk in the valley before the day-trippers arrive by water taxi.
Ask the chef to shop in Fethiye, not Göcek. Both markets are good, but Fethiye’s Tuesday and Friday markets are larger and the fish selection is broader. If your itinerary ends in Fethiye, the last night dinner can be built around a market morning.
Tersane Island at dusk is worth planning around. The light on the ruins and the stillness of the inner bay are at their best in the hour before and after sunset. Arriving in the afternoon rather than treating it as a lunchtime stop changes the experience considerably.
The inner bay islands reward a slower pace. First-time guests often want to cover ground. Experienced charterers know that staying two nights in the Göcek Bay cluster and genuinely exploring the smaller coves by tender is more memorable than ticking off a list.
Check the forecast before committing to Ölüdeniz. The lagoon entry is exposed to the southwest and requires calm conditions. Your captain will make the call, but building flexibility into the day around Ölüdeniz is sensible planning.
Plan Your Twelve Islands Itinerary with Silver Star Yachting
Silver Star Yachting operates Italy’s largest crewed charter fleet, with expertise across the Turquoise Coast and a MYBA Corporate Partner designation that ensures every charter is handled to the highest industry standards. Whether you are looking for a traditional gulet for a classic Blue Voyage or a modern motor yacht for a faster, air-conditioned version of the same route, the fleet and the team are both well-suited to this corner of Turkey.