Begin your bachelor party in Bangkok with a visit to the lively Chinatown. Try out street food and visit the Taoist and Buddhist temples. Later, head to Khao San Road, where you can take a break and meet other travelers while enjoying the party scene.
On the second day, head to Pattaya and witness an unforgettable Tiffany's Cabaret Show. Later, head to Pattaya Beach, a beautiful sandy beach that offers a range of water sports like windsurfing, banana boating, and parasailing.
On the final day, head over to Phuket, where you can enjoy the famous Bangla Road scene, and dance the night away with your group of friends. It is best known for its nightclubs, pubs, and adult entertainment.
For an extended stay, consider visiting the Grand Palace, Chatuchak Market, and Wat Phra Kaew National Museum. Alternatively, for shorter stays, Bangkok can be skipped altogether. For watersports enthusiasts, consider staying an extra day in Pattaya in light of the endless options. Altogether, the itinerary can also be extended with additional experiences such as sightseeing.