Flag of the nautical club in a buoy, laurel branches above and 8-line inscription and plaque for inscription below. surrounding another buoy with the legend.
Obverse lettering
CLUB NAUTICO SAN ISIDRO
LA
DIRECCION GENERAL
DE LA
GRAN CONSCRIPCION
DE SOCIOS
A SUS
COLABORADORES
JULIO 1927
CLUB NAUTICO SAN ISIDRO
Obverse script
Latin
Reverse description
Two sailing boats at sea, wreath of laurel and oak surrounding.
