Explore Kea’s Lost City

Ancient Karthea Tour

Explore Kea’s Lost City with Ultimum Boat Rentals

Ancient Karthea Boat Tour

Embark on an exclusive boat tour with Ultimum Boat Rentals to the legendary Ancient Karthea, a hidden archaeological gem on the island of Kea. Only accessible by boat or a scenic hike, this once-powerful city-state offers a rare glimpse into Greece’s classical past, surrounded by the untouched beauty of the Aegean Sea.

Starting from

€ 1500

Duration: 8 hours minimum

What Awaits You

Ancient Karthea Boat Tour

Private & Comfortable Cruise

Travel in style on our well-equipped boats, enjoying panoramic views of Kea’s rugged coastline.

Step into History

Wander through the Temple of Athena, the Temple of Apollo, the ancient theater, and the remnants of a grand civilization that thrived over 2,500 years ago.

Swim in Crystal-Clear Waters

Take a refreshing dip in the secluded bay of Karthea, a stunning spot untouched by mass tourism.

Breathtaking Scenery

Capture mesmerizing views of ancient ruins against the deep blue of the Aegean.

A Touch of Luxury

Enjoy complimentary drinks and snacks on board, making your journey even more special.

Book your Ancient Karthea boat tour today

Book Request


Join us on this unique voyage through time and nature

Why Ultimum Boat Rentals?

  • Exclusive access to one of Kea’s most historical sites
  • A perfect mix of history, adventure, and relaxation
  • Personalized experience with expert local insights
  • Flexible departures & private tour options
Embark on an unforgettable journey with Ultimum Boat Rentals

Explore Kea Island in Style

Explore Kea Island in Style

Where Luxury Meets the Aegean

With a passion for the sea and years of experience in the maritime industry, we offer a luxury boating experience with top-tier service, professional crew members, and the finest vessels.

Based in Greece, we specialize in private boat rentals and exclusive tours to some of the most breathtaking destinations in the Aegean.

Design now

Exclusive private boat tours offer the perfect blend of adventure and luxury

Privacy

Your perfect choice for exploring hidden coves, pristine beaches

Food and Drinks

We also offer catering options with fresh local delicacies upon request

Kea Island

Explore the crystal-clear waters of Kea Island and beyond

Embark on an unforgettable journey with Ultimum Boat Rentals.