Preheat oven to 325°F (163°C). Mix graham cracker crumbs, sugar, and melted butter until combined. Press mixture into the bottom of a 9-inch springform pan.
Beat softened cream cheese until smooth. Add sugar and beat until fluffy. Add eggs one at a time, mixing well after each addition. Stir in vanilla extract.
Pour cheesecake batter over the crust in the pan. Bake for 45 minutes or until center is almost set. Let cool completely.
To make salted caramel sauce, melt butter in saucepan over medium heat. Stir in brown sugar and sea salt until bubbly. Slowly add heavy cream while stirring and cook for 2 minutes until thickened.
Drizzle salted caramel sauce over cooled cheesecake before serving.
Notes
For best results, chill cheesecake overnight. Store leftovers covered in the refrigerator.