The 1970 Senior League World Series took place from August 17–23 in Gary, Indiana, United States. West Tampa, Florida defeated Throggs Neck, New York in the championship game.
| Tournament information | |
|---|---|
| Location | Gary, Indiana |
| Dates | August 17–23, 1970 |
| Final positions | |
| Champions |  West Tampa, Florida |
| Runner-up |  Throggs Neck, New York |
← 1969
1971 →
| |
This year featured the debut of the Caribbean region.
| United States | International |
|---|---|
 Gary, IndianaJunedale Host |
 Windsor, OntarioCanada |
| Throggs Neck, New York East |
 Caguas, Puerto RicoCaribbean |
 Painesville, OhioNorth |
 Brussels, BelgiumEurope |
| West Tampa, Florida South |
 Monterrey, MexicoLatin America |
 Santa Ana, CaliforniaWest |
Winner's Bracket
| Opening Game | First Round | — | Bracket Final | ||||||||||||||||
| 1–0 | Mexico
| 0 | |||||||||||||||||
| — | Puerto Rico
| 1 | — | Canada
| 4 | ||||||||||||||
| — | Mexico
| 2 | 1–0 | Canada
| 3 | ||||||||||||||
| 1–0 | New York
| 6 | |||||||||||||||||
| — | New York
| 4 | |||||||||||||||||
| — | Indiana
| 3 | |||||||||||||||||
| 2–0 | New York
| 4 | |||||||||||||||||
| 2–0 | Florida
| 11 | |||||||||||||||||
| — | California (F/8)
| 3 | |||||||||||||||||
| — | Belgium
| 2 | |||||||||||||||||
| 1–0 | California
| 1 | |||||||||||||||||
| 1–0 | Florida
| 3 | |||||||||||||||||
| — | Ohio
| 0 | |||||||||||||||||
| — | Florida
| 15 | |||||||||||||||||
Loser's Bracket
| — | — | — | Bracket Semifinal | |||||||||||||||
| 0–1 | Puerto Rico | 1 | 1–1 | Canada | 5 | |||||||||||||
| 0–1 | Indiana | 6 | 1–1 | Indiana | 6 | |||||||||||||
| 2–1 | Mexico | 1 | ||||||||||||||||
| 2–1 | Indiana | |||||||||||||||||
| 2–1 | Ohio | |||||||||||||||||
| 1–1 | California | 1 | ||||||||||||||||
| 0–1 | Belgium | 1 | 1–1 | Ohio | 2 | |||||||||||||
| 0–1 | Ohio | 12 | ||||||||||||||||
| 1–1 | Mexico | 7 | ||||||||||||||||
Elimination Round
| Semifinals | World Championship | ||||||||
| 2–0 | New York
| 4 | |||||||
| 2–0 | Florida
| 11 | |||||||
| 3–0 | Florida
| 2 | |||||||
| 3–1 | New York
| 1 | |||||||
| 2–1 | New York
| 5 | |||||||
| 3–1 | Ohio
| 2 | |||||||
| 1970 Senior League World Series Champions |
|---|
 West Tampa, Florida |