She was also named to the All-Administrative Committee on Company-ordination team in her second year as well as gaining 1999 Golfweek/Sagarin All-Mid-Atlantic/East District second-team all-district honours. In her junior year she finished 3rd at the National Collegiate Athletic Association Championships and as a senior was named National Golf Coaches Association (NGCA) 2001 All-America Second team and gained her third All-Administrative Committee on Company-ordination team honours. She represented Spain at the 2000 and 2002 Espirito Santo Trophy World Amateur Team Championship.
Prieto qualified for the 2003 Ladies European Tour by finishing second at the final Qualifyting tournament.
Her best finish in her rookie season was a tie for third at the season ending Biarritz Ladies Classic. In 2004 she had three top ten finishes, the best being a runner"s up spot at the KLM Ladies Open.
She partnered Paula Martí at the 2006 Women"s World Cup of Golf representing Spain. Amateur
Espirito Santo Trophy (representing Spain): 2000, 2002
World Cup (representing Spain): 2006.