If Sennen is on your list, take a look at Seal Cottage, a self-catering holiday let with a beach less than a mile away. Booking direct means you talk to the owner, not an agency. Wi-Fi / internet access is available.
“Nestled by the sand dunes just 300 yards from the acclaimed and outstandingly stunning Blue Flag beach at Sennen, Seal Cottage is ideal for the adventurous escape that you have been looking for from the hustle and bustle of everyday life. Sleeps 4” – the owner