In the morning, explore the Fort Aguada that is known for its magnificent view of the Arabian Sea and the Mormugao Port. Afternoon can be spent at the nearby Sinquerim beach, which is just a few minutes away from the fort. The evening can be spent at the Calangute beach, where you can enjoy some delicious seafood at the shacks lining the beach.
Start your day by visiting the famous Basilica of Bom Jesus, a UNESCO World Heritage site. Spend the afternoon at the nearby Miramar beach and enjoy the sunset there. In the evening, take a stroll through the Fontainhas neighborhood to see the Portuguese architecture and enjoy the local cuisine.
Take a break from the beaches and visit the majestic Dudhsagar Falls. The falls are located on the Mandovi River and are surrounded by lush green forests. Spend the afternoon exploring the area around the falls. Return to Panaji in the evening and enjoy some local street food at the Panaji Market.
Spend your last day at the Anjuna Flea Market, which is one of the oldest and most popular markets in Goa. You can find everything from clothes to souvenirs to spices. Afternoon can be spent at the nearby Vagator beach, which is known for its picturesque views. In the evening, head to the Thalassa restaurant to enjoy some delicious Greek food while enjoying the sunset.
If you have time, consider visiting the Salim Ali Bird Sanctuary or the Museum of Goa. For side trips, you can take a day trip to explore the beautiful beaches of South Goa. To maximize your fun, try some water sports like parasailing or jet skiing. And don't forget to try the local drink, feni!