Start your Mumbai exploration by visiting the Gateway of India, an iconic structure built during the British Raj. Take an early morning boat ride to Elephanta Caves, located on an island nearby, to witness the stunning carvings and sculptures of Lord Shiva. Return to the Gateway of India and walk towards Colaba Causeway, a bustling street filled with shops, cafes and restaurants. Make sure to visit the famous Leopold Cafe, which has been serving patrons since 1871.
Explore the UNESCO World Heritage Site of Chhatrapati Shivaji Terminus, a historic railway station that exemplifies Victorian Gothic Revival architecture. Visit the nearby Crawford Market to experience the vibrant colors and aromas of fresh produce. In the evening, head to Marine Drive and take a stroll along the promenade, while admiring the sunset over the Arabian Sea. Don't forget to visit the nearby Taraporewala Aquarium, which has a diverse collection of marine life.
Take a guided tour of Dharavi, one of the largest slums in Asia, to witness the resourcefulness and entrepreneurship of its inhabitants. Learn about the various industries that operate within the slum, such as leather tanning, pottery and recycling. In the afternoon, visit the Mahalaxmi Dhobi Ghat, an open-air laundromat where clothes are washed and dried in the traditional way. Observe the synchronized movements of the dhobis (washermen) as they scrub and beat the clothes.
Visit the Haji Ali Dargah, a mosque and tomb located on a small islet in the Arabian Sea. Cross the causeway that connects the mainland to the islet, while enjoying the sea breeze and the views of the Mumbai skyline. In the evening, head to Bandra Fort, a 17th-century fort that offers panoramic views of the Arabian Sea and the Bandra-Worli Sea Link. Take a stroll along the promenade and visit the nearby Mount Mary Church, a popular pilgrimage site.
If you have some extra time, visit the Sanjay Gandhi National Park, a sprawling nature reserve located within the city limits. You can take a safari to see tigers, lions and leopards, or visit the Kanheri Caves, an ancient Buddhist rock-cut cave complex. To maximize your fun, try some local street food such as vada pav, pav bhaji and bhel puri. Finally, make sure to experience the nightlife of Mumbai, by visiting a bar or club in areas such as Colaba, Bandra or Juhu.