Here are DeafBlind Camp in USA:

Arkansas DeafBlind Camp (Bi-Yearly)
http://www.deafnonprofit.net/adbc/

Arizona
Camp Abilities of Tucson
http://www.campabilitiestucson.org/athlete-registration.html

DeafBlind Access of the South (Georgia, Bi-Yearly)
https://www.dbascamp.org/

DeafBlind Camp in Canada
Can be found on Facebook

Enchanted Hills (California)
https://lighthouse-sf.org/enchanted-hills/about-enchanted-hills/

DeafBlind Camp of Maryland (June)
http://www.deafblindcampofmd.org/

Shabbaton DeafBlind Retreat (Maryland, June)
https://www.cjebaltimore.org/deafblind

Pacific DeafBlind Camp and DB Grizzly Camp (Under Construction)
Port Orchard, WA
http://www.db-gbc.org/

North Carolina DeafBlind Camp (NC Residents Only)
http://ncdba.org/

DeafBlind Camp of Texas (August)
http://dbctx.org/

Seabeck DeafBlind Retreat (Washington State, August)
http://www.deafblindlh.org/seabeck/