RNLI lifeboat and coastguard crews were called on Thursday following reports of people in the water.
Port Isaac RNLI team says it needs £900,000 to improve the facilities at the station.
The Marine Management Organisation cites new environmental and safety concerns.
The area has been used by big Hollywood productions including The Roses.
A leaflet campaign urges holidaymakers in Port Isaac to help the NHS.
Steven Webb says he has battled "relentless" terrain on his journey around Cornwall.
The RNLI said the group were caught out by windy conditions between Port Gaverne and Barrett’s Zawn.
Volunteers had spotted items floating a mile out to sea that looked like a kayak and a paddle.
The beach in Port Isaac is disappearing because of continual storms battering the Cornwall coast.
