River shuttle company info:
Marble Canyon Guides
Leave whenever you want. They have a $150 minimum, so you generally need at least 3 people to be comparable in price to Colorado River Discovery. A smaller mom and pop type company.
Prices: $25 per person, $25 per boat
Phone: 928 645 2781
http://www.leesferryflyfishing.com/prices.htm
Colorado River Discovery
Three scheduled depature times a day from May 1st through Sept 30th: 10:30am, 2:30pm, and 4:30pm. From March 1st to April 30th and Oct 1st to Nov 30th there is only one daily departure at 2:30pm.
Prices: $23 per person, $20 per boat, $25 flat for extra camping gear
Phone: 928 645 9175
Information can be found online at raftthecanyon.com. Backhaul information is in the upper right corner.