Emergency services were called to an incident on Hilbre Island this afternoon.
Police, ambulances and the Wirral Coastguard Rescue Team were called just after mid-day to assist with a search.
Off road vehicles were used to take paramedics from the specialist Hazardous Area Response Team (HART) out to the island.
It came on one of the busiest days of the year as many walkers gathered for the popular, post Christmas hike out to the island.
In a statement on its Facebook page, the Wirral Coastguard Rescue Team, said the person they were searching for was later found on the mainland.
It added: “Team paged by UK Coastguard along with Flint Coastguard Rescue Team to assist Merseyside Police with a search on and near to Hilbre Island, West Kirby.
“Once on scene, the team liaised with North West Ambulance Service HART Team and Merseyside Police Officers and provided assistance where needed. HART Team paramedics were transported out to Hilbre Island utilising our 4×4/off road capability.
“As all agencies relocated to Hoylake Lifeboat Station for a multi-agency meeting, information was received that the person had been found inland.”
Merseyside Police said it was unable to provide any further information due to the nature of the incident but stressed there was nothing to suggest any cause for concern to the public.