1. Emars Bus departs Belize City at 5:00 am (not sure if that’s daily).
Cost: US$70.00 each way.
Duration: 12 hours.
Tickets must be purchased from Mundo Maya Travel.
2. Fuente del Norte bus departs Flores at 6:00 am.
Duration: 8 hours.
Information from Mundo Maya Travel, located at the Brown Sugar Market Place on North Front Street, Belize City.
Phone: (501) 223 1200 / 663 5957
(updated: 24 November 2011)
Here’s some information from the LP forum: