Add coconut milk to a saucepan over low heat.
Stir in caramel syrup, sugar, vanilla extract, and sea salt.
Whisk gently for 2–3 minutes until smooth and lightly warm.
Remove from heat and allow mixture to cool.
Fill glasses with ice cubes evenly.
Pour chilled coffee equally into each glass.
Slowly add coconut caramel milk on top.
Stir lightly before sipping for balanced flavor.