The Hopewell Culture represented dozens of different tribes and languages, but since none of them had any system of writing, there is no information about what languages they spoke.
The Manhasset indians spoke the Munsee and Unami languages.
Caddoan
Sourashtian
I believe they spoke Algonquian
There is no information about languages that were spoken by Tocobaga people.
The Hopewell culture likely spoke various languages belonging to the Algonquian language family, as many of their descendants, such as the Shawnee and Delaware tribes, spoke Algonquian languages. However, there is limited direct evidence of the specific languages spoken by the Hopewell people.
The Manhasset indians spoke the Munsee and Unami languages.
Caddoan
Algonquian!
Sioux
Sourashtian
english.
algonquon
english.
Iroquian and/or Ojibway
Algonqulan Or Algonkian
They spoke Caddoan