Along the Caribbean coast, Tortugeuro takes its name from the giant sea turtles that nest here from March to October. This alone can make the trip worth taking.
Another highly recommended excursion in the area is taking a tour through the Amazon-like canals that extend into the dense jungle. A bit like the Jungle Cruise at Disney World, you won't see lions and elephants, but monkeys, sloths, macaws and toucans are plentiful.
For the upscale traveler, check in to the Tortuga Lodge. If you're on a budget, Casa Marbella is probably the place for you.