When our pool is closed, I walk around the lake, which is actually a glorified surface water retention pond with a fountain stuck in the middle of it, once or twice a day. It's a lot more dangerous than the pool, but I have to keep doing something. So when I walk around the lake for the second time in the day, and crumble my 2 bit's worth at the landlord for his failures yet again, I figure I've just about covered the issue well enough.
I usually go for a walk every morning at 6am just to get going, and then to the pool for two hours, 60 minutes of water jogging, 30 minutes of water aerobics on Mondays, Wednesdays, and Fridays, and 30 minutes of socializing in the floating and treading water mode.
But when it's closed, I hoof it around the swamp lake and enjoy it!