When you have some free time during your work trip to National City, visit the National City Marina. This picturesque waterfront area offers stunning views of the bay and a peaceful atmosphere. Take a leisurely stroll along the marina, enjoy the fresh sea breeze, and admire the boats docked in the harbor. If you're a nature enthusiast, you can also explore the nearby walking trails and parks. The National City Marina is the perfect place to unwind and recharge after a busy day of work.