The Peninsula Bangkok is a luxurious riverside hotel that offers a serene and elegant atmosphere. While it doesn't have a dedicated discotheque, the hotel features a lively bar called 'The River Bar' that offers live music and a dance floor. The River Bar is known for its stunning views of the Chao Phraya River and a wide selection of cocktails. The hotel itself offers spacious rooms, a riverside pool, and multiple dining options. If you're looking for a hotel with a relaxed yet lively nightlife experience in Bangkok, The Peninsula Bangkok is a great choice.