A lost world awaits on these reels – can you spin your way through the depths to find treasure from just 20p?
Behold the power of the mighty Triton as you go head-to-head with lionfish, seahorses, and dolphins across 117,649 watery paylines.
Keep an eye out for ethereal treasure chests landing on the reels. Six or more of these will trigger the Jackpot Respins and could see you swimming to the spoils of the Grand Jackpot.
Play Atlantis Megaways online.
When you’re ready to head back to dry land, browse more of our online slots
Malfunction voids all plays and pay. RTP = 96.10%.
At Grosvenor Casinos, we want you to enjoy every second that you play with us. Find tips on how to play safely, discover places to get support and get information on all the tools we have in place at: keepitfun.rank.com
Your privacy and security is our number one priority here at Grosvenor Casinos. We protect your account with market-leading security technology so we’re one of the safest online casino sites to play on. We never sell or rent customer details.
This website is operated by Rank Interactive (Gibraltar) Ltd, a company incorporated in Gibraltar with registered number 120385 with its registered address at Suite 3, 2nd Floor, Icom House, 1/5 Irish Town, Gibraltar GX11 1AA.
Licensed and regulated in Great Britain by the Gambling Commission under account number 57924 for GB customers playing on our online sites. For customers outside of Great Britain, we licensed by the Government of Gibraltar and regulated by the Gibraltar Gambling Commission under licence numbers RGL 133 and RGL 134.
Licensed and regulated by The Gambling Commission under licences 614, 33465 & 34161 for customers playing in our land-based casinos. Grosvenor is part of the Rank Group. GROSVENOR® and the GROSVENOR logos are registered trade marks of Rank Leisure Holdings Ltd.
Only players above the age of 18 are permitted to play our games. Underage gambling is an offence.
Please gamble responsibly and only spend what you can afford. For help and support with any gambling related issues, please contact GambleAware at https://www.gambleaware.org/ and 0808 8020 133.
