Pari gbolohun ti o tẹle: US 421 bẹrẹ ni ibi idana ọkọ ayọkẹlẹ / ibudo ni ẹgbẹ Cape Fear ti Ile-iṣẹ Pleasure Island. Laarin, US 421 kọja nipasẹ apapo rẹ ti ko ni ami pẹlu NC 211 ati ọna si Fort Fisher Ferry Terminal, nibiti awọn arinrin ajo le wọ lati kọja Cape Fear River si Southport. Lẹsẹkẹsẹ lẹhin ibudo ọkọ oju omi jẹ Fort Fisher State Recreation Area, nibiti akọkọ ati
àwọn ogun kejì tí wọ́n jà ní Fort Fisher wáyé.