Do you ever wonder what it would be like get up close and personal with some underwater sea life?

Hop into Hawaii's waters during the day or night to say hello to manta rays, the gentle giants of the sea.

More than just your typical beach day, swimming with manta rays is a great way to explore the waters off Big Island's Kona Coast.

We've rounded up a list of the top tour companies that'll give you the most exciting and memorable experience diving with manta rays on the Big Island!

Big Island Divers

Island of Hawaii Visitors Bureau (IHVB) / Kawika Singson

• Price: Manta Night Dive: $99 for snorkelers; $139 for divers
• Age Restriction: 10 years+ may go, but they offer private charters for families with young children
• Location: 74-5467 Kaiwi St, Kailua-Kona, HI 96740
• Length of Dive: 45-60 minutes
• Website: http://www.bigislanddivers.com

Not only will you get to see and swim with the mantas, but you'll learn interesting facts about the animal -- you'll leave with a newfound appreciation for manta rays.

Worried about the weather? Don't sweat it, if conditions are not ideal, they will work to reschedule or find another solution.

If no mantas are seen, Big Island Divers offers a 50% discount for a guaranteed seat on another charter or a 100% discount for a standby seat. 

Sea Quest

• Price: Night Manta Experience: $108 (online), $118 (in-person)
• Age Restriction: 7+
• Location: 78-7138 Kaleiopapa St, Kailua-Kona, HI 96740
• Length of Dive: 75 minutes
• Website: www.seaquesthawaii.com

Sea Quest is a great option if you have young children -- their minimum age to participate is seven.

The company provides wetsuits, snorkel gear, and flotation devices so you can comfortably swim alongside the manta rays.

When you're done, they'll have a fresh cup of hot chocolate waiting for you; what more could you want after an evening swim in the Pacific Ocean?

Their night manta experience has five stars on TripAdvisor, with commenters noting the company's commitment to the animals and outstanding crew.

Customers receive a refund in case of operator cancellation from weather or other unforeseen circumstances.

Manta Ray (Manta sp.) blocks out the sun | Photo by  National Oceanic and Atmospheric Administration

Related: Best Snorkel Spots on the Big Island

Manta Ray Dives of Hawaii

• Price: $120 for certified divers; $110 for adult snorkelers; $100 for child snorkelers (12 & Under); free for anyone under three; $85 for ride-along
• Age Restriction: Not recommended for ages 6 & under. 17 & under accompanied by a parent
• Location: 74-380 Kealakehe Parkway, Kailua-Kona, HI 96740
• Length of Dive: 45 minutes
• Website: www.mantaraydiveshawaii.com

Manta Ray Dives of Hawaii is a great option for families or groups who might not want to dive.

Although snorkeling is not recommended for children under 6, they're still able to join.

And, if anyone wants to watch from a distance, it costs $85 for the evening boat outing. For those looking to jump in, the price of the dive doesn't include the gear -- the full gear set is $25.

There is an 85% chance of seeing manta rays; otherwise, Manta Ray Dives of Hawaii allows you to come again for free. 

My Kona Adventures

• Price: Manta Ray Night Snorkel: $110
• Age Restriction: None
• Location: 78-7138 Kaleiopapa St., Kailua-Kona, HI 96740
• Length of Dive: 60 minutes
• Website: www.mykonaadventures.com

Start your evening with a Kona sunset and stay for a snorkeling adventure with My Kona Adventures.

The company specializes in small group tours with a maximum of six people per trip.

Their guides are ocean lifeguard certified, making this tour a great option for beginner swimmers and snorkelers.

They provide all the snorkeling equipment, flotation devices, and snacks, so all you have to worry about is marveling at mantas.

If no mantas are seen, they will take you out for another excursion free of charge. 

Related: Must-See Scenic Spots on Big Island

Hang Loose Boat Tours

Hawaii Tourism Authority (HTA)

• Price: $95 for adults; $85 for children (5-11 years); free for anyone under four; $65 for ride-along
• Age Restriction: None
• Location: 74-380 Kealakehe Pkwy, Kailua Kona, Hawaii 96740
• Length of Dive: 60 minutes
• Website: www.hawaiitourboat.com

Hang Loose Boat Tours offers a sunset manta ray experience that combines the beauty of a Big Island sunset with an unforgettable adventure swimming with gentle marine life.

Jump in and swim with the mantas just before the sun goes down for the evening. If the company's sunset experience is booked, they offer a night tour as well.

All equipment is provided, and Hang Loose Boat Tours even has the option for you to buy a disposable underwater camera on board or rent a GoPro to capture your time at sea.

Hang Loose Boat Tours guarantees you'll see mantas or you can get another tour free of charge. 

Swimming with manta rays on the Big Island is not only a great adventure, but it's a perfect activity for the whole family.

On these tours, you're not just sitting on a boat with the hopes of seeing something; you're diving into the water to get to know this gentle animal.

It's the perfect complement to Shaka Guide's Kona Big Kahuna Driving Tour.

Spend your day exploring the island with Shaka Guide and the evening swimming with mantas!

And, if you're looking for more information about manta ray dives on the Big Island, check out Love Big Island's complete guide to snorkeling with these majestic animals!

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SHAKA GUIDE'S BIG ISLAND TOURS: Kona Big Kahuna Tour, Volcanoes National Park Tour, Kohala Coast Backcountry Tour, South Island Epic Coastal Journey, North Island Jungle Adventure Loop