In the morning, visit the Gateway of India, a stunning monument built during the British Raj that offers panoramic views of the Arabian Sea. Take a boat ride to Elephanta Caves, a UNESCO World Heritage Site with ancient rock-cut temples. In the afternoon, head to the Chhatrapati Shivaji Maharaj Vastu Sangrahalaya, Mumbai's premier museum featuring art and artifacts from Indian history. End the day with an evening stroll along Marine Drive, known as "the Queen's Necklace" due to its stunning views of the city lights.
Start the day at the Mahalaxmi Dhobi Ghat, the world's largest outdoor laundry, to witness the traditional way of washing clothes in Mumbai. In the afternoon, visit the Haji Ali Dargah, a mosque and shrine located in the middle of the Arabian Sea. Take a leisurely walk on Juhu Beach and try some local street food. End the day with a visit to the Bandra-Worli Sea Link, an iconic bridge that offers breathtaking views of the city skyline.
If you have time, consider visiting the Chor Bazaar, a bustling market known for antiques and vintage goods. The Sanjay Gandhi National Park is also a great place to escape the city and enjoy nature. For side trips, you can take a ferry to the nearby Elephanta Island or explore the nearby hill station of Lonavala. To maximize your fun, try taking a Bollywood tour or a street food walking tour.