So I was wandering around the super-annoying website of the Royal Monceau (a 1920s palace hotel near the Arc de Triomphe), losing patience with the slow-as-molasses flash-only navigation, when I stumbled upon some interesting news.
The hotel's recently renovated Les Thermes Spa (now with Kanebo spa products) has a special summer deal for July and August: €300/month for unlimited access to the spa's indoor pool (windows overlook the gardens), sauna, Jacuzzi, hammam, fitness room, and classes (eight per day are scheduled) such as stretching, aquagym, Abdo-fessiers (tums and bums), and yoga. It's open from 7am until 10pm, and there's even a pool-side café that serves healthy foods such as salads, chopped veggie platters, and grilled fish. Spa treatments are extra, but you're not obligated to sign up for them (might be hard to resist, considering how inexpensive this is).
Now I know some of you are saying, "Three hundred euros is a lot!" But most scruffier gyms in Paris charge more than that, without the exquisitely elegant setting you'll find at the Royal Monceau. The new floating swimming pool on the Seine (set to open next month) will be €5 for the first two hours and €5/hour for each hour after that. So an afternoon of three hours at the pool will cost €10. Go every day for a month and that's €300. No-brainer, if you ask me. Just go have a look at the photos on their site or stop by and have a peek. I'll be in the pool, dahlings!