If you are trying to locate a community in one part or another of Cape Breton, your best bet is to use the geographic names site. You can enter either a current or historic name and get the specifics. The current name feature seems to work quite well, even for very small communities.

Geographic Name Locator
Canadian Geographic Names	Find your county of origin

ONLINE MAPS

Nova Scotia Counties	Excellent County Maps (circa 1991) from Service Nova Scotia and Municipal Relations
The Atlas of Canada	Topographical Maps of Canada
Destination: NS	Nova Scotia Highway Maps
Nova Scotia Online	Nova Scotia Highway Maps
Cape Breton Island Historical Maps
McMaster Library	Le Canada, ou Nouvelle France ... (1656)
Canadian Heritage Gallery	Acadia, 1702
Canadian Heritage Gallery	Cape Breton 1767
McMaster Library	Carte de la Partie Orientale de la Nouvelle France ou du Canada... (1744)
McMaster Library	A Draught of the Gut of Canso between Nova Scotia and Cape Breton Island... (1775)
McMaster Library	Carte Reduite, des Costes de l'Acadie, de l'Isle Royale, et de la Partie Meridionale de l'Isle de Terre-Neuve... [1753]
McMaster Library	Nova Scotia and Newfoundland [1850?]
McMaster Library	Amér. Sep. Nouvelle Ecosse et Nouveau Brunswick [1827]
County and Area Maps of Cape Breton
City of Sydney	Street maps of Greater Sydney area
Inverness County Map	Map of Inverness County
Richmond County Map	Map of Richmond County
Isle Madame	Map of Isle Madame
Victoria County Map	Interactive Victoria County
Cape Breton Map	Interactive Map at Cape Breton Island.org
GeoNova - Geographic Gateway to Nova Scotia	Links to maps, atlases, and much more

MAPS TO ORDER

Current Maps
Maps of the Province of Nova Scotia	To purchase from the NS Government Bookstore
Nova Scotia Topographical Maps	To purchase from the NS Government Bookstore
Historic Maps
A.F. Church Maps	Instructions for obtaining these maps from NS Dept. of Natural Resources
Crown Land Grant Maps	Instructions for obtaining these maps from NS Dept. of Natural Resources