Mostly north coast..and a bit just over the Somerset border.

Various sections between Sandymouth (just north of Bude) to Morte Point, then a jump to Lynton. This area has become a bit overcrowded with tourists and surfers, but good cliff walking and less crowded beaches at Peppercombe and Northam Burrows. Croyde bay and Woolacombe are very popular surf beaches, but the north end in each case is less crowded.

Sillery sands is sufficiently inaccessible to have only a few people on it

The coast path is somewhat sabotaged by selfish private ownership behind Porlock weir, but worth going along the beach at low tide as far as one can. Just possible to scramble up in places, but not really recommended except for mountain goat emulators
.