Score Lamanai for $75, Not $200
Here is the number that changes how you plan this trip: the exact same Lamanai riverboat tour costs $50 to $75 USD when arranged in Orange Walk Town, and $140 to $200 or more when arranged from Belize City or the Cayes. Same boat, same ruins, same guide, wildly different bill.
The Lamanai day tour, hour by hour
The signature tour departs Tower Hill Bridge around 09:00 with a 1.5-hour interpretive wildlife ride down the New River, followed by a 2.5-hour guided walk through the archaeological site, a home-cooked Belizean lunch, and a return cruise arriving back around 15:30. That is a full day, and the price gap above is for identical departures, not a downgraded version. Basing yourself in Orange Walk Town, or arriving independently at Tower Hill, is what unlocks the lower number.
Rio Bravo, for a different kind of guided day
The Rio Bravo Conservation Station Tour runs out of La Milpa Field Station or Hill Bank and is led by Programme for Belize environmental educators covering tropical forestry, medicinal plants, and active wildlife camera-trap research. It is a slower, more academic day than the Lamanai circuit, aimed at travelers who want the science behind the jungle rather than just the view.
Banquitas House of Culture costs nothing
Managed by NICH on the riverbank in town, Banquitas is a genuine free attraction, donations encouraged rather than required, covering Mestizo, Maya, and sugarcane history. It is worth an hour before or after a bigger tour rather than a full booking on its own.
What to carry regardless of which tour you pick
Every one of these involves open water, dense shade, or both. Bring picaridin or DEET repellent for the river stretches and mangrove edges, and a wide-brimmed hat with a chin strap plus sunglasses for the fast open-water sections, where the sun reflects hard off the New River. US dollars are accepted everywhere at the fixed 2:1 rate against the Belize dollar, so there is no need to change money before booking.
Verdict: book Lamanai locally rather than through a coastal hotel desk, and treat the price difference as real money, not a rounding error. For what you will actually see once you are on site, from the Mask Temple to the High Temple, check the sightseeing guide .
Ask your Orange Walk guesthouse to arrange the tour directly with a Tower Hill operator rather than through a third-party booking site, since that is usually where the biggest markup gets added back in.