Combine the heavy cream, caramel sauce, and vanilla in a small saucepan over medium heat. Stir occasionally until the mixture begins to simmer. Do not boil. Remove from heat and whisk in the sea salt.
Add six ounces of coffee to each of four mugs.
Top with four ounces of the caramel vanilla mixture. Stir together if desired.
Top with whipped cream and caramel sauce.
Serve hot.
***If only making one latte the remaining caramel vanilla cream can be stored in an air tight container in the refrigerator for up to 1 week***