Published Wednesday, 15 February 2012
Mr McGuinness is eligible for the maximum reimbursement of €200,000. (© Getty)
Total expenditure figures for all seven candidates have been released by the Standards in Public Office Commission.
They reveal that Mr McGuinness, who polled third behind winner Michael D Higgins and second placed Sean Gallagher, spent a total of €302,563.
The figure includes money used on publicity, election posters, office and stationary, transport, market research, campaign workers and other election materials.
The Sinn Féin man was the second-lowest spender in the presidential race.
Meanwhile Fine Gael's Gay Mitchell was the biggest spender on €527,152 - he came fourth - while President Higgins spent a total of €359,935.
Independent candidate Mr Gallagher spent €323,318, while former Eurovision Song Contest winner Dana Rosemary Scallon was the lowest spender on €59,591.
The statutory spending limit for the election is capped at €750,000.