- Season 1-5 merge buffs
- Rattana
- Color: Light green
- Members: Colleen Haskell, Gervase Peterson, Greg Buis, Gretchen Cordy (lowest placing), Jenna Lewis, Kelly Wiglesworth, Richard Hatch (highest placing/winner), Rudy Boesch, Sean Kenniff, and Susan Hawk
- Combination: Pagong and Tagi
- Day Formed: 20
- Namesake: Tree
- Fun fact: First to systematically eliminate members of one tribe
- Barramundi
- Color: Orange
- Members: Alicia Calaway, Amber Brkich, Colby Donaldson, Elisabeth Filarski, Jeff Varner (lowest placing), Jerri Manthey, Keith Famie, Nick Brown, Rodger Bingham, and Tina Wesson (highest placing/winner)
- Combination: Kucha and Ogakor
- Day Formed: 20
- Namesake: Fish
- Fun fact: Only to go past 39 days
- Moto Maji
- Color: Green
- Members: Brandon Quinton, Clarence Black (lowest placing), Ethan Zohn (highest placing/winner), Frank Garrison, Kelly Goldsmith, Kim Johnson, Kim Powers, Lex van den Berghe, Teresa Cooper, and Tom Buchanan
- Combination: Boran and Samburu
- Day Formed: 20
- Namesake: Fire and water
- Fun fact: First to have more than one word in name
- Soliantu
- Color: Magenta
- Members: John Carroll, Kathy Vavrick-O'Brien, Neleh Dennis, Pashal English, Rob Mariano (lowest placing), Robert DeCanio, Sean Rector, Tammy Leitner, Vecepia Towery (highest placing/winner), and Zoe Zanidakis
- Combination: Maraamu and Rotu
- Day Formed: 20
- Namesake: "Sacred allegiance to the sun"
- Fun fact: First to undergo rock drawing tie-braker
- Chuay Jai
- Color: Gold
- Members: Brian Heidik (highest placing/winner), Clay Jordan, Helen Glover, Jake Billingsley, Jan Gentry, Ken Stafford (lowest placing), Penny Ramsey, and Ted Rogers Jr.
- Combination: Chuay Gahn and Sook Jai
- Day Formed: 25
- Namesake: Portmanteau of originals ("To help someone's heart")
- Fun fact: Smallest merged tribe