Born in Miami, US, Isabel Lardizábal represented her country of origin, Honduras, in international competitive swimming. She also represented Honduras in the 1984 Los Angeles Olympics, where she secured the 29th position in the 100m breaststroke and the 23rd position in the 200m breaststroke event.
Born in Miami, Florida, Maria Lardizabal later represented Honduras, her country of origin, in international swimming. She participated in the 1984 Los Angeles Olympics, where she ranked 45th in the 100m freestyle event and 36th in the 200m freestyle event. Her twin, Isabel, too is an Olympian.