| Year |
1921 |
| Grade |
Chelsea Seaside Juniors U-21 |
| Competition |
Federal Football Association |
| Year |
1923 |
| Grade |
Chelsea Seaside Jnr's U-21 |
| Competition |
Federal Football Association |
| Year |
1926 |
| Grade |
Chelsea Seaside Jnr's U-21 |
| Competition |
Federal Football Association |
| Year |
1926 |
| Grade |
Chelsea Seaside Jnr's U-21 |
| Competition |
Federal Football Association |
| Year |
1931 |
| Grade |
Chelsea Seaside Jnr's U-21 |
| Competition |
Federal Football Association |
| Year |
1932 |
| Grade |
Chelsea Seaside Jnr's U-21 |
| Competition |
Federal Football Association |
| Year |
1936 |
| Grade |
Seniors |
| Competition |
Federal Football Association - District Section |
| Year |
1944 |
| Grade |
Under 18's |
| Competition |
Federal Football Association |
| Year |
1947 |
| Grade |
Under 18's |
| Competition |
Federal Football Association |
| Year |
1955 |
| Grade |
Seniors |
| Competition |
Federal Football League |
| Year |
1955 |
| Grade |
Under 16's |
| Competition |
Federal Football League |
| Year |
1962 |
| Grade |
Seniors |
| Competition |
MPNFL |
| Year |
1962 |
| Grade |
Reserves |
| Competition |
MPNFL |
| Year |
1963 |
| Grade |
Seniors |
| Competition |
MPNFL |
| Year |
1964 |
| Grade |
Unde5 15's |
| Competition |
MPNFL |
| Year |
1966 |
| Grade |
Seniors |
| Competition |
MPNFL |
| Year |
1966 |
| Grade |
Reserves |
| Competition |
MPNFL |
| Year |
1966 |
| Grade |
Under 15's |
| Competition |
MPNFL |
| Year |
1967 |
| Grade |
Seniors |
| Competition |
MPNFL |
| Year |
1967 |
| Grade |
Under 15's |
| Competition |
MPNFL |
| Year |
1968 |
| Grade |
Seniors |
| Competition |
MPNFL |
| Year |
1968 |
| Grade |
Under 17's |
| Competition |
MPNFL |
| Year |
1970 |
| Grade |
Reserves |
| Competition |
MPNFL |
| Year |
1970 |
| Grade |
Under 15's |
| Competition |
MPNFL |
| Year |
1972 |
| Grade |
Under 17's |
| Competition |
MPNFL |
| Year |
1973 |
| Grade |
Under 17's |
| Competition |
MPNFL |
| Year |
1975 |
| Grade |
Under 15's |
| Competition |
MPNFL |
| Year |
1977 |
| Grade |
Under 17's |
| Competition |
MPNFL |
| Year |
1986 |
| Grade |
Seniors |
| Competition |
MPNFL |
| Year |
1987 |
| Grade |
Seniors |
| Competition |
MPNFL |
| Year |
1990 |
| Grade |
Seniors |
| Competition |
MPNFL |
| Year |
1991 |
| Grade |
Under 18's |
| Competition |
MPNFL |
| Year |
2000 |
| Grade |
Seniors |
| Competition |
MPNFL Div 2 |
| Year |
2000 |
| Grade |
Reserves |
| Competition |
MPNFL Div 2 |
| Year |
2006 |
| Grade |
Seniors |
| Competition |
MPNFL |