Holy smokes there are tons of places to launch there.
Theres the public dock right by the south bridge on wrightsville. Watch your mast for the powerlines.
Sail south, exit Masonboro inlet and you're in the ocean.
Also, along the main drag (Highway 70 I tinks) anywhere from Emerald Isle to Beaufort there are TONS of ramps leading to the sound side.
Mark, watch your boards at the Duck Cup. VERY shallow.