Hat Khuat is a beach on the northern portion of Ko Pha-ngan, Thailand. It was named Bottle Beach for its protected cove and due to the shape of the cove which can be seen from the rock, which resembles the shape of a bottle.
There is a rough track to the beach but it is easiest to reach by boat.
Wikipedia https://en.wikipedia.org/wiki/Hat_Khuat
Address Thailand
Coordinates 9°47'52.977" N 99°59'20.054" E