DoubleTree by Hilton San Diego - Del Mar puts you within a 15-minute drive of Mission Bay. The outdoor pool is a great spot to take a dip, and guests can grab a bite to eat at Mosaic Kitchen & Bar, which serves American cuisine and is open for breakfast, lunch, and dinner. Other highlights include a poolside bar, a fitness center, and a spa tub. Fellow travelers say great things about the helpful staff and location.