Another of the contingent of South Americans who came to Europe in the late forties and early fifties. Cantoni was born in Montevideo Uruguay.
Patron of the Escuderia Bandeirantes, he raced a Maserati San Remo in the Carreras Argentinas in 1949 coming 3rd at Palermo and the Copa Eva Perón, 5th at Mar del Plata.
In 1952, after a fifth place in the Buenos Aires GP, Eitel joined the Brazilians Gino Bianco, Chico Landi and Alberto Crespo to race three of the new 2-litre Maserati A6GCMs. These cars were resplendent in buff paintwork, and entered under the Escuderia Bandeirantes banner.
As well as the three championship Grands Prix, Cantoni contested four other races in his brief Continental sojourn, yielding two finishes, seventh in the Modena GP and ninth in the AVUS rennen.
In 1953 Escuderia Bandeirantes took part with Maserati works backing in the Swiss Grand Prix at Bremgarten, with Emmanuel De Graffenfield driving. He retired.