[1] Arruti was born in San Sebastián in 1972, where her father José Arruti Lizaso and his twin brother Jesús were club pros at Real Golf Club de San Sebastián.

[5] She represented Spain at the 1993 European Ladies' Team Championship and 1994 Espirito Santo Trophy.

Arruti won gold at the 1993 Mediterranean Games in Languedoc-Roussillon, France in the team event together with Estefania Knuth and Laura Navarro, and a bronze individually.

[6] Arruti turned professional in January 1995 and joined the Ladies European Tour, where she finished 13th on the Order of Merit in her rookie season.

[8] Arruti's best result at a major came in the 2001 Women's British Open at Sunningdale Golf Club, where she tied for 7th.