What are the four capitalization errors

Quidnet beach in Massachusetts offers fantastic views of sankaty head light, a lighthouse that overlooks the Atlantic Ocean

The four capitalization errors in the given sentence are:

1. "sankaty head light" should be capitalized as "Sankaty Head Light". It is the name of a specific lighthouse.
2. "a lighthouse" should be capitalized as "A lighthouse". It should be capitalized when referring to a specific lighthouse.
3. "overlooks" should be capitalized as "Overlooks". It is the beginning of a new sentence.
4. "Atlantic Ocean" should be capitalized as "Atlantic Ocean". It is a proper noun referring to a specific body of water.