Isle Royale Natural History Association
http://www.irnha.org/
Contains information about the association as well as items for purchase from the association (including books, maps, pictures, videos, etc.).
GORP
http://www.gorp.com/gorp/resource/US_National_Park/mi_isle.HTM
Great site containing information about visiting Isle Royale, including travel and lodging options.
Backpacker.com
http://backpacker.com/
The backpacker's paradise. Information about gear, destinations, technique, and backpacking news.
Areaparks.com
http://isleroyale.areaparks.com/
Information about lodging, activities (including for kids), fees and permits, weather, travel basics, and downloadable maps.
National Geographic Traveler http://www.nationalgeographic.com/traveler/tw/0110/wild_isle_royal.html
More information about travel basics, activities, lodging, etc. for planning your trip to Isle Royale.
us-parks.com
http://www.us-parks.com/US_National_Parks/isleroyale/isle_royale.shtml
More travel information about Isle Royale.
Mountainzone.com National Parks Directory http://classic.mountainzone.com/natparks/41/
More travel information about Isle Royale.
Isle Royale National Park
http://www.isle.royale.national-park.com/
This is an unofficial, but highly respected source for information about Isle Royale. Includes information about traveling to the island, flora and fauna, and a frequented chat room.
Isle Royale Ferry Line
http://w3.up.net/~isroyale/
Schedules and contact information for ferry service between Copper Harbor, Michigan and Isle Royale National Park.
Grand Portage Isle Royale Trasportation Line
http://www.grand-isle-royale.com/
Schedules, fees and contact information for ferry service between Grand Portage, Minnesota and Isle Royale National Park.
Isle Royale Boaters Association
http://www.isleroyale.org/
Includes information about the Isle Royale Boaters Association, a weather page, historical information, and a list of useful links.
Michigan.org
http://travel.michigan.org
Information for traveling in and around Michigan. Can search for information about Isle Royale.
National Parks Conservation Association
http://syndication.getoutdoors.com/npca/destination_summary/29.html
This site includes a description of the island and information about attractions, directions, fees, lodging and weather.
e-nature.com
http://enature.com/parkfinder/parkfinder_parkinfo.asp?parkID=15
Includes information such as species lists (with pictures and descriptions), travel basics, and activities.
Geology Fieldnotes
http://www.aqd.nps.gov/grd/parks/isro/
Geological information about Isle Royale.