[Myka]

*edit* Oops this is an old thread...oh well, info is still good.

Most condos are concrete structure, and 210 gallons shouldn't be an issue, especially if you place it near the load bearing structures of the building. Personally, I would probably down-size simply because of aesthetics as a 210-gallon tank is going to be aesthetically awkward in a 700 sq ft condo assuming the kitchen/dining/living areas where the tank would probably be located are probably quite small. You might find that something like a 90-gallon or 75-gallon tank would just look better.

You will need permission from the condo association for ANY pets. That includes fish, reptiles, cats, dogs, horses (haha), etc. The condo association may not allow you to have an aquarium of ANY size. If they do give you permission they will probably specify a maximum size and may require you to get liability insurance.

Regardless of what the condo association says, I would suggest you get liability insurance anyway, even if your tank is small. Even a 5-gallon tank that breaks and has water sitting on the floor for a few hours can cause quite a lot of damage by trickling down to lower levels through ducting and around plumbing, etc. Insurance isn't too pricey, the lowest you can usually get is $1 million, and the lowest an insurance company will write up a contract is usually about $400-450 a year. For that price, you're often better off getting $2 million for just a few bucks a month more. Check it out.