ONGOING: Want to Swim? Super Cool Hotel Pool at Capital Syline Hotel hosts events on SAT & SUN, Noon - 8:00pm, $10

Cover is usually $10, bring your own towel or rent one for $3, Cash bar. Brightest Young Things hosts pool parties on Saturdays. Every Sunday, Chef Spike Menelsohn (of Top Chef fame) grills burgers on the pool deck! I believe the admission on Sunday covers a burger and chips as well. Link to the hotel here to find out more.

Every Saturday and Sunday 12pm – 8pm
$10 day pass, Towels available for $3 or bring your own

No outside food or drink allowed. ATM on site. Lockers available poolside. Bring your own padlock, or buy one from the hotel for $10. Plenty of lounge chairs, and cool orange lounge sofas!

Capital Skyline Hotel
10 I St NW
Metro:Navy Yard, half street exit
It's a few block walk through construction sites.
You may want to look at the map before you head over.