**Day 1: Departure from Seattle**
Depart from Seattle to Nadi, Fiji. This journey will likely involve a layover due to the distance.
**Day 2: Arrival in Nadi**
Arrive at Nadi International Airport and transfer to your accommodations at the Fiji Marriott Resort Momi Bay, known for its luxurious overwater bungalows. Spend the rest of the day at leisure, relaxing and exploring the resort.
**Day 3: Explore Nadi**
Spend your day exploring Nadi. Visit the Sri Siva Subramaniya Temple, Fiji's largest Hindu temple, and the Nadi market for some local shopping. In the afternoon, visit the Garden of the Sleeping Giant, home to a beautiful collection of orchids and tropical plants.
**Day 4: Day Cruise to Mamanuca Islands**
Embark on a full-day cruise to the Mamanuca Islands. Snorkel in crystal-clear waters, sunbathe on beautiful beaches, and enjoy a picnic lunch on the beach. Return to the resort in the evening for dinner.
**Day 5: Visit Sigatoka and Kula Eco Park**
Travel to Sigatoka to visit the Sigatoka Sand Dunes National Park and explore the archaeological sites. Afterwards, head to the Kula Eco Park, a wildlife sanctuary for Fiji's unique fauna. Return to the resort in the evening.
**Day 6-7: Leisure Days**
Spend these days at your leisure. Enjoy the resort's amenities, try water sports, or simply relax on the beach. Take advantage of the spa services at your resort, and perhaps opt for a traditional Fijian massage.
**Day 8: Transfer to Savusavu, Vanua Levu**
Transfer to Nadi airport for a domestic flight to Savusavu on Vanua Levu, Fiji's second-largest island. Check into the luxury Jean-Michel Cousteau Resort and spend the rest of the day at leisure.
**Day 9: Scuba Diving in Savusavu**
Explore Fiji's underwater world with a day of scuba diving. The resort's diving center can arrange trips to numerous dive sites suitable for various skill levels. In the evening, enjoy a private beach dinner.
**Day 10: Savusavu Pearl Farm and Hot Springs**
Visit a local pearl farm to learn about Fiji's pearl industry and how these precious gems are cultivated. In the afternoon, explore Savusavu's hot springs. Spend the evening at the resort, enjoying Fijian cultural entertainment.
**Day 11-12: Leisure Days**
Spend these days at your leisure. Relax on the beach, snorkel in the clear waters, or explore the local town. You can also take advantage of the many activities offered by the resort, such as yoga classes, cooking demonstrations, or a traditional lovo feast.
**Day 13: Farewell Dinner**
Spend your last full day in Fiji at leisure. Enjoy a farewell dinner at the resort, featuring a range of Fijian specialties and fresh seafood.
**Day 14: Departure**
After a morning of leisure, transfer to Savusavu airport for your return flight to Nadi, and then your international return flight to Seattle.
*This itinerary is a suggestion and can be customized to suit your preferences. As always, please remember to respect the local culture and environment during your travels.