Weather hampered the latest rescue attempt Sunday.
A Chinese icebreaker that was trying to reach the ship Saturday turned back after the captain decided it could not get any closer.
Russian and Australian tourists and researchers are aboard the stuck ship.
Despite the sub-freezing temperatures, their spirits are high.
'We're still here, stuck at Cape Denison," one passenger said. "Any passing ship, do pay us a visit!"
The explorers got stuck near Antarctica Christmas morning after visiting historic research sites there.
Those stuck onboard are said to be safe with plenty of provisions.