If you're spending some time in Pierpont Bay, Ventura City Beach and San Buenaventura State Beach are top sights worth seeing.
If you're spending some time in Downtown Ventura, Ventura City Hall and Ventura Botanical Gardens are top sights worth seeing.
Midtown might not have many top sights, but Ventura City Beach and Ventura Harbor are two attractions nearby that you can check out.
Though East End might not have many top sights, you can venture to the surrounding area to see attractions like Bowlero Oxnard and Golf N' Stuff.
If you're looking for some top things to see and do in Westside and surrounding area, you can visit Ventura County Fairgrounds and Ventura Pier.