The 8 Best Underwater-Themed Slots at BetMGM Casino

Slots with underwater themes bring the magic of the sea to life on the reels. Whether it’s rare and wonderful creatures, sunken shipwrecks with hidden treasures, or mythical cities submerged in the depths, the unexplored worlds beneath the waves offer endless sources of inspiration for riveting online casino games.

Countless adventurers aim to find fame and fortune on the high seas, making the irresistible allure of undersea exploration a fitting theme for players seeking the excitement of immersive experiences. Are you ready to explore the secrets of the deep? Here are eight of the best underwater-themed slots with stunning graphics, fantastic features, and the potential for big wins with lucky spins.

1. Atlantis Megaways

Plunder the lost city of Atlantis in this stunning slot by ReelPlay. With four jackpots, cascading reels, and a free spins feature, this game offers action-packed gameplay and the chance to uncover untold riches hidden beneath the sea.

The striking graphics and satisfying sound effects bring the legendary city to life, immersing you in a world of wonder and mystery. Win up to 8,641x your bet in this epic underwater adventure with 117,649 paylines, ensuring excitement and engaging gameplay on every spin.

Play Atlantis Megaways slot right now at BetMGM, or learn more about its exciting features in this Atlantis Megaways game review.

2. Cannon Cove

Load the cannons and destroy the enemy in Cannon Cove — a captivating slot game brought to you by High 5 Games. This 5-reel slot features a novel gameplay mechanic with an extra reel of special symbols, where cannons and explosives are used to obliterate rival pirate ships.

Upgrade your ship in the base game to send your opponents to a watery grave. Collect explosives and increase your firepower with wilds and scatters. This isn’t your average slot game, and the high-octane action promises an adventure like no other.

3. Dolphin Gold Stellar Jackpots

In the mood for big jackpot slots? Dolphin Gold Stellar Jackpots has everything you need if you’re looking for an aquatic theme and novel gameplay. There are three stake-based jackpots up for grabs, with a Grand Jackpot of $100,000 at max bet.

The game combines an underwater theme with interstellar bonuses, resulting in an innovative mix of marine life and cosmic jackpots. It’s a mesmerizing journey into the unknown, with an otherworldly charm that makes every spin an exhilarating experience.

4. Great Blue

With adjustable paylines, high variance, and an unlimited free spins bonus, Great Blue offers a never-ending source of entertainment for slot fans. The traditional reel setup delivers straightforward gameplay that is highly appealing to nostalgic players.

While the graphics of this classic aren’t as advanced as other games in this list, there’s no denying that the gameplay has kept players coming back for more time and time again. It remains one of the best slot machines to play online for simple yet rewarding gameplay, whether you’re a seasoned player or a newcomer to the world of online slots.

5. Kraken Conquest

Inspired by the legend of a giant monster lurking in the deep, Kraken Conquest is a tense and eerie escapade with steampunk visuals, exciting features, and amazing payouts. Hunt for the Kraken on a 5×3 reel setup with 25 paylines and find out if you have what it takes to emerge victorious.

The slot’s bonus features will aid you on your quest, from wilds and scatters to free spins and instant cash prizes. If you want to play online slots for real money, take on the challenge of defeating the Kraken and stand a chance to win up to 2,500x the bet.

6. Mermaid’s Fortune

Dive for treasure and discover a hidden world in Mermaid’s Fortune. This elegant and engaging slot features refined gameplay and plenty of bonuses, including free spins, respins, and a Diamond District Bonus with high multipliers and three jackpots.

Spin the reels with 324 paylines and a 95.76% return to player (RTP), with the potential for bonus credit rewards thanks to the game’s Power Xstream feature. With wilds and scatters adding to the fun, this is a must-try title for any slot enthusiast.

7. Ocean’s Treasure

Ocean’s Treasure proves that NetEnt has the skill and talent to create some of the most compelling slot games. This underwater-themed adventure is a testament to the developer’s pedigree, with a range of features made all the better by excellent visual and audio design. 

Ocean’s Treasure does not fall among the best online casino games for progressive jackpots, but the top win of 1,200x the bet, massive multipliers, and a wide betting range ensure that the gameplay appeals to all types of players.

8. Shark Frenzy

The fierce and awe-inspiring nature of the sea’s apex predators is on full display in Shark Frenzy — a stunning 5×5 slot developed by Slotmill. The game features every bonus mechanic players have come to expect from state-of-the-art slots, from multipliers and free spins to bonus buys and boosted gameplay.

Shark Frenzy is one of the top slots of all time. It immerses you with high-detail visuals, absorbing animations, and plenty of exciting gameplay features. Shark Frenzy nails all these elements, boasting feature-rich gameplay and terrific prizes for an unforgettable gaming experience.

Play Slot Games Online at BetMGM Casino

Underwater-themed slots deliver a sense of adventure and thrilling gameplay, but there are plenty of other themes to look forward to. If you’re looking for the latest and greatest casino games online, register with BetMGM Casino to find premium casino entertainment, earn rewards online and in physical casinos, and play for real money. BetMGM Casino is legally active in New Jersey, Pennsylvania, Michigan, and West Virginia.