Set sail from Adamantas with Royal Blue to Kleftiko’s famous pirate caves and the stunning volcanic Sykia cave. Perfect for history buffs and sea lovers alike, this coastal cruise delivers extraordinary scenery and crystal-clear swimming opportunities.
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Difficulty
easy
Duration
4–8 hours
Fitness Level
Suitable for most fitness levels; basic swimming ability recommended for cave stops.
Wildlife
History
Kleftiko bay was a pirate refuge during Ottoman rule in the 18th century, its caves providing natural shelter and strategic vantage points.
Conservation
Royal Blue promotes responsible tourism by minimizing anchor damage and encouraging reef-safe products to protect fragile underwater ecosystems.
Royal Blue
Set sail from Adamantas with Royal Blue to Kleftiko’s famous pirate caves and the stunning volcanic Sykia cave. Perfect for history buffs and sea lovers alike, this coastal cruise delivers extraordinary scenery and crystal-clear swimming opportunities.
Royal Blue is a boat tour operator based in Adamantas, Greece, offering half- and full-day cruises around the south coast of Milos and nearby islands. The company’s itineraries focus on natural attractions that are difficult to reach from land, including the open-roof cave of Sykia, the pirate-famous rock formations of Kleftiko, the narrow beach of Tsigrado, the serene sand of Gerakas, and crossings to the traditional island of Kimolos and the uninhabited Polyaigos.
Departures originate from Adamantas harbor, providing straightforward access for visitors staying on Milos. Each trip description clearly states highlights and typical stops, enabling travelers to choose between shorter half-day options and extended full-day cruises that include additional swimming and exploration time. Royal Blue’s routes emphasize coastal scenery, geological formations, sea-cave access, and crystal-clear swimming locations, reflecting the natural character of Milos and its neighboring isles.
Royal Blue is featured on The Adventure Collective with individual trip listings and summaries. Information available through those listings describes the main attractions on each cruise—Sykia’s open roof cave, Kleftiko’s dramatic cliffs and arches, Tsigrado and Gerakas’ secluded beaches, and the remote islands of Kimolos and Polyaigos. Prospective guests can reference the tour listings to confirm departure details, durations, and route highlights before booking.
Base Location
Adamantas, Greece
Departure port for all cruises
Cruise Durations
Half & Full Day
Options to fit any schedule
Key Destinations
Kleftiko, Sykia, Kimolos, Polyaigos
Remote beaches and sea caves
Tour Variety
4 signature trips
Unique routes around Milos & Kimolos
Choose a half- or full-day trip to Kleftiko, Sykia, Kimolos or Polyaigos and secure a spot on one of Milos’ most accessible coastal excursions.
Bring reef-safe sunscreen
Protect your skin and the marine environment by using reef-safe sunscreen on this boat and swim trip.
Arrive early for best seats
Show up a bit early at the Adamantas harbor to secure front-deck spots for optimal views and photos.
Wear water shoes for cave swimming
Slip-resistant water shoes protect your feet on rocky entry points around the caves.
Bring a waterproof camera or case
Capture underwater and above-water moments without risking your gear.
Reef-safe sunscreen
Prevents sunburn and protects the marine ecosystem during long hours on the boat and in the water.
summer
Water shoes
Helps navigate rocky cave entries and provides grip on slippery surfaces.
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Snorkel gear
Optional equipment for extended underwater observation of marine life in the caves.
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Waterproof camera case
Protects your camera or phone during swimming and photographic opportunities in Sykia cave.