Isla Mayor Fair 2018 - Sunday, July 1 Wednesday, June 27 Thursday, June 28 Friday, June 29 Saturday, June 30 Sunday, July 1↕ 12:00 Horse walking. 13:30 Shows for children. 01:00 Fireworks and Firebull. <Sat., Jun. 30 You can find out more on Fiestas.Net You might be also interested in: Saint Peter 2018 - Almonte (Huelva) - 43 Kms. Saint Fermin 2018 - Los Badalejos (Cadiz) - 93 Kms. Saint Peter 2018 - Corrales (Huelva) - 95 Kms.