For a short activity right in Patong, compare Surf House Phuket Patong Beach and Pum Thai Cooking Class in Patong. Both sit in central Patong with no transfer needed, and pair well as a morning or early-afternoon slot followed by an evening walk into the water fight. Check session or class length and what's included.
For a first taste of scuba diving, Racha Island Daily Tour is a great pick. You learn to dive in clear water and return by afternoon, leaving plenty of time to join the evening water fight.
For a full day of quiet limestone scenery, look at John Gray Seacanoe in Phang Nga Bay. This full-day paddling trip through cliffs and sea caves is a rewarding way to spend one day of your Songkran trip somewhere completely different.
To see the signature islands, compare Phi Phi-Khai-Pileh-Maya by Speed boat (SeaStar); for a more relaxed pace with Bamboo Island added, compare 1 Day Trip Phi Phi - Bamboo Island Tour by speed boat (Seastar). Both are full days that fill the whole day on their own.
For a smooth day on the water, NOAH Catamaran Yacht Tour offers a stable sail that keeps seasickness worries away while you swim and relax on deck.
To make the most of your final day, look at [Last-Day Tour] Phuket Private City Tour & Airport Drop-off. This private route fills your remaining hours after checkout with city sightseeing before heading to the airport — build in extra time for departure given possible road congestion during the festival.
Before booking any tour, check the pier or meeting point, departure time, shared or private format, and the refund policy for weather or cancellation. Songkran combines international travel demand with Thai domestic holiday travel, so popular tours can sell out first — use the current product details as the final reference.