In 2021, Martín won the Spanish International Stroke Play Championship and was runner-up at the Spanish U16 Championship, Spanish U18 Championship and the French International Ladies Championship, behind
Elena Moosmann. Martín finished third at the 2023
Portuguese International Ladies Amateur Championship, a stroke behind
Rocío Tejedo and
Cayetana Fernández García-Poggio. She qualified for the
2025 U.S. Women's Open at
The Olympic Club. Martín had success with the National Team. She played on the winning Spanish team at the
European Ladies' Team Championship twice. In 2022, she won the
Junior Golf World Cup and
World Junior Girls Golf Championship with
Andrea Revuelta and
Cayetana Fernández, and finished 5th with the team and 7th individually at the
2022 Espirito Santo Trophy. She had the second best individual score at the
2024 European Ladies' Team Championship. At the
2025 AIG Women's Open, Martín started the final round in 36th place at even. After shooting a 38 on the front nine, she was at +2 for the championship. However, Martín shot a 30 on the back nine with 6 birdies to finish the tournament at −4 in a three-way tie for 8th place, easily winning low amateur honors. Additionally, with the top-10 finish, Martín will automatically qualify for the 2026 AIG Women's Open. ==Collegiate career==