In the morning, visit the iconic Gateway of India, a monument built to commemorate the visit of King George V and Queen Mary to Mumbai in 1911. From there, take a ferry to Elephanta Caves, a UNESCO World Heritage Site. Afternoon, return to Gateway of India and head to Colaba Causeway. This bustling street market is a shopper's paradise, with everything from clothing to jewelry to street food. In the evening, catch the sunset at Marine Drive, a scenic promenade along the Arabian Sea.
In the morning, visit the Chhatrapati Shivaji Maharaj Vastu Sangrahalaya, formerly known as the Prince of Wales Museum. The museum houses a vast collection of artifacts, artwork, and sculptures from ancient India as well as other parts of the world. Afternoon, head over to Haji Ali Dargah, a mosque and shrine located on an island in the Arabian Sea. Take a walk on the causeway to reach the mosque. In the evening, explore the Crawford Market, a bustling wholesale market where you can find everything from fruits and vegetables to clothing and accessories.
If you have time, consider visiting the famous Siddhivinayak Temple or the iconic Taj Mahal Palace hotel. For a fun side trip, take a train to the nearby hill station of Matheran, which offers breathtaking views of the surrounding mountains. Don't forget to try some of Mumbai's famous street food, such as vada pav, pav bhaji, and bhel puri.