November 4, 2017, annual events at Bali Hai Pier, Pattaya. On the full moon of the 12th month (traditional Thai lunar calendar), people float small candle-lit rafts (Krathong) on rivers, canals, lakes or sea, honoring the Goddess of Water. Fireworks & beauty contests are a big part of the festivities.
April 13-17, 2018. The traditional Thai New Year, Songkran in most of Thailand, Wan Lai in Pattaya has a slightly later finale on the 19th. Sprinkling water on Buddha + giving and getting dousings from buckets or water guns aimed at anyone within range. On the big day 3 miles of beach and adjacent roads close to traffic to make way for thousands of celebrating people at play.