He cited various roads initiated in the county, equipment in hospitals and erection of street lights as efforts by the government to develop the region.
He said Kilifi residents had also received title deeds to end land problems in the county.
In Mombasa, he said, Waitiki squatters had been given title deeds, saying Kilifi residents would also be considered.
“You should choose between development and mere propaganda,” he said, adding that his opponents had resorted to mudslinging him because they had no development agenda.
He added: “Kindly Kilifi residents let us join hands ...please vote for us.”
He dismissed claims that he was out to grab land from locals, including the earmarked for airport expansion.
He said people who will be displaced following expansion of Malindi airport would be compensated.
“We have an agenda to make lives of our people better and prosper.. Our agenda is not to divide Kenyans on tribal lines,” he said.
Meanwhile, DP Ruto accused the opposition of trying to use courts to stop the August elections after sensing defeat.
He urged locals to vote for Jubilee due to development initiated in Kilifi.
Mr Ruto said: “You should not play with your votes.”
President Kenyatta and Mr Ruto were accompanied by Cabinet Secretaries Dan Kazungu and Najib Balala.
Kilifi Jubilee gubernatorial candidate Gideon Mung’aro said his priority if elected governor would be to revive tourism.
He accused Governor Amason Kingi of poor use of money allocated to the county.
He also promised to help resettle squatters.
Reports by Lucas Barasa, Charles Lwanga and Kazungu Samuel