**Day 1: Departure from Seattle**
Depart from Seattle and embark on your journey to Athens, Greece. Upon arrival, transfer to your accommodations at the Hotel Grande Bretagne, a Luxury Collection Hotel, located in the heart of Athens.
**Day 2: Explore Athens**
Spend your day exploring Athens. Visit the Acropolis and its museum, see the Panathenaic Stadium, and stroll around the charming Plaka neighborhood. Enjoy dinner at a rooftop restaurant with views of the lit-up Acropolis.
**Day 3: Day Trip to Delphi**
Take a day trip to the ancient site of Delphi, once considered the center of the world in Greek mythology. Return to Athens in the evening for a relaxing night.
**Day 4: Travel to Santorini**
Catch a domestic flight to the beautiful island of Santorini. Check into your accommodations at the Canaves Oia Suites, known for their stunning views of the caldera.
**Day 5: Explore Santorini**
Spend the day exploring Santorini. Visit the beautiful town of Oia, known for its white houses and blue-domed churches. In the evening, enjoy one of Santorini's famous sunsets.
**Day 6: Santorini Wine Tasting and Beach Day**
Santorini is known for its unique volcanic wines. Take a wine tasting tour and learn about the island's wine production. Spend the rest of the day relaxing on one of Santorini's unique beaches, such as the Red Beach or Kamari Beach.
**Day 7: Sailing Tour**
Embark on a caldera sailing tour. Visit the hot springs, the volcano, and the island of Thirasia. Enjoy a meal onboard as you watch the sunset.
**Day 8: Travel to Crete**
Take a ferry to Crete, the largest of the Greek islands. Check into your accommodations at the Blue Palace, a Luxury Collection Resort & Spa in Elounda.
**Day 9: Explore Crete**
Visit the Palace of Knossos, an archaeological site dating back to the Minoan civilization. In the afternoon, explore Heraklion and its Archaeological Museum.
**Day 10: Beach Day**
Spend the day relaxing on one of Crete's beautiful beaches. Consider visiting Elafonisi Beach, known for its pink sand, or Balos Lagoon.
**Day 11: Samaria Gorge**
For those who love the outdoors, hike the Samaria Gorge, the longest gorge in Europe. The 16 km hike ends at the Libyan Sea, where you can take a refreshing dip.
**Day 12: Relax in Elounda**
Spend your last full day in Greece at your leisure. Relax at the resort, take a boat trip around Elounda Bay, or visit the island of Spinalonga.
**Day 13: Travel to Athens and Departure**
Return to Athens by domestic flight for your international return flight to Seattle.
*This itinerary is a suggestion and can be customized to cater to individual preferences and interests. As always, remember to respect the local culture and environment during your travels.