Where to start....
Cliffs, rock pools = Hunstantion [red], Sherringham, Cromer
Sunrise on sea = Hunstanton, creeks on marshes
Marsh , creeks, Norfolk skies = endless - Thornham, Blackney, Morston, Cley etc
Harbours = Thorham, Blackney, Brancaster Staithe, Wells
Fishing towns = Wells
Nice towns = Wells, Cromer
And that is just a small element of North Norfolk - just type North Norfolk photography into Google