Pontoon

“	Place almost any land tower on water with the Pontoon! Deploy the Pontoon on water, then place your land tower on top.	”
	^{~ Official BTD5 Description}

The Pontoon is a Special Agent that was released on May 17, 2012. It allows all land towers to be placed on water and costs 40.

Pro

The Pontoon Pro gives towers a range boost. You need 50 Pontoons to unlock it, which costs 2,000.

Banana Farm does not fit on a pontoon.

This is one of the cheapest Special Agents (the others being Portable Lake and Monkey Farmer) costing 40.
This is one of the few Special Agents that never attacks.
Pontoon is not sacrificed by the Temple of the Monkey God.
The Pontoon is basically useless on all tracks except Archipelago and Dockside.
Some say that the Portable Lake is better because the Portable Lake is helpful on many tracks while the Pontoon is helpful on two tracks but others would debate that Portable Lakes are only for the use of Monkey Buccaneers, making them virtually useless.

It is possible to place a Pontoon on a Portable Lake but this is worthless and wastes 80.
- When placing a Pontoon Pro on a Portable Lake though, it becomes pretty useful.
The art of the Pontoon has an inflatable tube underneath the Pontoon (probably because the Pontoon doesn't have enough buoyancy on its own to carry towers