Ikelite announced 200DL underwater housing for Panasonic Lumix S1 and S1R cameras:
200DL Underwater Housing for Panasonic Lumix DC-S1, DC-S1R Mirrorless Digital Cameras
A full featured and durable waterproof housing for Panasonic Lumix DC-S1 and DC-S1R mirrorless digital cameras. Suitable for scuba, snorkel, surf, pool, and any application in or around the water.