While visiting North Beach, you might make a stop by sights like Tamarack Beach and Carlsbad State Beach.
If you're spending some time in Aviara, Batiquitos Lagoon and Batiquitos Lagoon Foundation Nature Center are top sights worth seeing.
If you're spending some time in South Beach, South Carlsbad State Beach and Tamarack Beach are top sights worth seeing.
While visiting Olde Carlsbad, you might make a stop by sights like The Shoppes at Carlsbad Mall and Holiday Park.
La Costa might not have many top sights, but La Costa Golf Courses - North and South and Leo Carrillo Ranch Historic Park are two attractions nearby that you can check out.