Below are some pictures showing several different styles of bunks that are available depending on the Brand, Model, Size and Hulls(logs) of the boat.
If your boat is NEW, the Factory may require a certain type Bunk Style to comply with warranties !
PONTOON and TRI-TOON Style Bunks
2 bunk-rail Pontoon, 3 bunk-rail Tri-toon, Under Deck, Flat Deck
Standard Pontoon Bunks Under Deck Style Bunks
Flat deck bunks Tri-toon Bunks
Combo bunks Tri toon bunks
Pontoon bunks Poly Bunk covers on a Tri-toon 14,000 lb. lift
Tri-toon Bunks on a 6800 lb. lift
Under-Deck style bunks