Swimming substitute or equivalent?

[sonambulo]

What kind of cardio can I do that's equivalent or a decent substitute for swimming if I don't have access to a pool? I run as it is but would like some variation to my cardio.

 

[irishScott]

Rowing, ellipticals, and cycling off the top of my head. Any team sport will also provide equivalent (at least) cardio.

Anaerobic factors are another story. I think rowing would come the closest, but the rest are pretty specialized (ie: cycling = almost entirely leg strength)

 

[TecHNooB]

There is no equivalent

 

[StageLeft]

Rowing but some swimmers also use elastics against a door handle.

 

[sonambulo]

Thanks for the tips guys. I'm mostly looking for cardiovascular benefits and thus I was thinking about doing some HIIT circuits like such as 2 intervals running, 2 intervals jumprope, etc. but that elastics idea is good.