Oh, Lisbon is such a vibrant and charming city with so much to offer! Here's a delightful 7-day itinerary to make the most of your time in this beautiful city:

Day 1: Arrival and Alfama Exploration

• Arrive in Lisbon and check into your accommodation
• Start your adventure by exploring the historic Alfama district, known for its narrow streets, colorful buildings, and Fado music
• Visit the Lisbon Cathedral and enjoy stunning views from Miradouro das Portas do Sol
• Have a traditional Portuguese dinner at a local restaurant

Day 2: Belém and Jerónimos Monastery

• Head to Belém and visit the iconic Jerónimos Monastery, a masterpiece of Manueline architecture
• Explore the Belém Tower and Monument to the Discoveries
• Indulge in delicious Pastéis de Belém custard tarts at the famous Pastéis de Belém bakery
• Relax by the riverside and enjoy the sunset at Praça do Comércio

Day 3: Sintra Day Trip

• Take a day trip to Sintra, a magical town filled with fairytale palaces and lush gardens
• Visit the colorful Pena Palace, the mysterious Quinta da Regaleira, and the Moorish Castle
• Stroll through the charming streets of Sintra and enjoy a traditional Portuguese meal

Day 4: Chiado and Bairro Alto

• Explore the trendy neighborhoods of Chiado and Bairro Alto
• Visit the historic Café A Brasileira and enjoy a coffee with a statue of Fernando Pessoa
• Shop at the boutiques and art galleries in Chiado
• Experience Lisbon's nightlife in Bairro Alto with its lively bars and Fado houses

Day 5: Day Trip to Cascais and Estoril

• Take a day trip to the coastal towns of Cascais and Estoril
• Relax on the beautiful beaches, stroll along the promenade, and visit the Boca do Inferno cliff formation
• Explore the charming streets of Cascais and enjoy fresh seafood at a seaside restaurant

Day 6: LX Factory and Belem

• Spend the morning exploring the LX Factory, a creative hub filled with shops, cafes, and street art
• Visit the MAAT (Museum of Art, Architecture, and Technology) and enjoy the modern architecture
• Head back to Belém to revisit any sites you missed or simply relax by the waterfront

Day 7: Day of Relaxation

• Take a leisurely morning walk along the Tagus River
• Visit the Time Out Market for a delicious lunch showcasing Portuguese cuisine
• Spend the afternoon exploring the neighborhoods of Graça and Mouraria
• Enjoy a farewell dinner at a traditional Fado restaurant

I hope this itinerary helps you make the most of your time in Lisbon! Enjoy your trip!