Just in case there are any other marine-biology-dorks out there:
I stay in Phetchaburi province, where the beach is either flat sand or mud, but I love exploring tide pools! Where is the closest place to Phetchaburi where I could find some tide pools? Obviously I will have to take a road trip!
จะหาแหล่งน้ำที่ใกล้เพชรบุรีได้ที่ไหนบ้าง?
TLDR : Answer Summary
The query seeks information about the nearest location to Phetchaburi, Thailand where tide pools can be found. One suggestion was Sattahip, although the commenter has not personally visited that location. The discussion hints at the rarity of tide pools in Thailand.