Kovalam is primarily known for its:

Kovalam is primarily known for its scenic beaches. It is a popular tourist destination in India, located in the state of Kerala. The beaches in Kovalam are known for their white sand, clear water, and palm trees. There are also a number of resorts and hotels located in Kovalam, making it a popular destination for both domestic and international tourists.

The other options are incorrect because:

• Kovalam is not known for its historical forts. There are no historical forts located in Kovalam.
• Kovalam is not known for its cultural festivals. There are no cultural festivals that are held in Kovalam on a regular basis.
• Kovalam is not known for its wildlife reserves. There are no wildlife reserves located in Kovalam.