Goa is a perfect destination for friends to have a fun-filled vacation. Here's an ideal itinerary for 4 days in Goa:

Day 1:

• Start your day with a hearty breakfast at one of the beach shacks in Calangute or Baga.
• Head to Fort Aguada, a 17th-century Portuguese fort that offers stunning views of the Arabian Sea.
• Spend the afternoon at Anjuna Beach, known for its vibrant flea market and water sports activities.
• In the evening, head to Tito's Lane in Baga for some nightlife fun.

Day 2:

• Start your day with a visit to the Basilica of Bom Jesus, a UNESCO World Heritage Site that houses the remains of St. Francis Xavier.
• Next, head to Panaji, the capital city of Goa, and explore the Latin Quarter of Fontainhas.
• Spend the afternoon at Miramar Beach, a popular spot for swimming and sunbathing.
• In the evening, head to the famous Casino Royale, where you can try your luck at the slot machines or enjoy a game of poker.

Day 3:

• Start your day with a visit to Dudhsagar Falls, one of the tallest waterfalls in India. You can take a jeep safari or trek to reach the falls.
• After lunch, head to Palolem Beach, a serene and picturesque beach in South Goa.
• Spend the evening at Club Cubana, a popular nightclub in Arpora that offers a great party atmosphere.

Day 4:

• Start your day with a visit to the Chapora Fort, which offers panoramic views of the Vagator Beach and the Arabian Sea.
• Spend the afternoon at Vagator Beach, known for its red cliffs and stunning sunset views.
• In the evening, head to Curlies Shack in Anjuna, a popular spot for live music and beach parties.

I hope this itinerary helps you plan your trip to Goa with your friends. Have a great time!