Simplify the following text for a Grade 10 native English-speaking person.
Original: It is the point that protrudes the farthest to the southeast along the northeast-to-southwest line of the Atlantic coast of North America , making it a key point for navigation along the eastern seaboard .
Simplified: It is the point that protrudes the farthest to the southeast along the northeast-to-southwest line of the Atlantic coast of North America .