Holboxisland.com offers a full day tour to visit Rio Lagartos, Las Coloradas and the Hubiku cenote.
On this tour you will sail through the lagoons and mangroves of Rio Lagartos observing a great diversity of birds as gulls, pelicans, flamingos and even crocodiles.
Then you will see the salt mountains of Las Coloradas and the pink lagoons that have unique colors in the Yucatan Peninsula.
On the way back you will visit the wonderful cenote Hubiku or the cenote selva maya (depending on availability) where you can swim and have lunch.
Approximate duration: 10 hours.