Dragon Boat Canada offers an Insurance Program with BFL Canada Inc.
http://www.dragonboatcanada.org/insurance.html
http://www.bflcanada.com/bfl_website/index_e.aspx?CategoryID=9
BFL Canada Inc.
Suite 2300, 700-2 Street SW
Calgary AB T2P 2W2
Toll Free 1-888-451-4132
Phone 1-403-451-4132
I noticed on the US Dragon Boat Federation site that they listed a company called Jacka-Liquori Agency, Inc.
http://usdbf.org/
MariaL@jacka-liquori.com
(631) 269-9696
Jacka-Liquori Agency, Inc.
121 Pulaski Road
Kings Park, NY 11754
You may also want to contact The Philadelphia Dragon Boat Association they might also be able to assist.
Good luck.