Dolphin spotting boat trips are popular off the coast of:

Palolem
Calangute
Morjim
Candolim

The correct answer is: Palolem.

Palolem is a small fishing village in the south Goa district of India. It is a popular tourist destination, known for its beautiful beaches, clear water, and relaxed atmosphere. Dolphin spotting boat trips are a popular activity in Palolem, and visitors can often see dolphins swimming in the bay.

Calangute is a larger beach town in the north Goa district. It is also a popular tourist destination, but it is more crowded and commercialized than Palolem. Dolphin spotting boat trips are available in Calangute, but they are not as popular as they are in Palolem.

Morjim is a small village in the north Goa district. It is known for its long, sandy beach and its population of wild horses. Dolphin spotting boat trips are not available in Morjim.

Candolim is a beach town in the north Goa district. It is a popular tourist destination, known for its beautiful beaches, clear water, and lively nightlife. Dolphin spotting boat trips are available in Candolim, but they are not as popular as they are in Palolem.

In conclusion, the best place to go dolphin spotting in Goa is Palolem. It is a beautiful beach town with clear water and a relaxed atmosphere. Dolphin spotting boat trips are a popular activity in Palolem, and visitors can often see dolphins swimming in the bay.