Merman Costumes – Ideas And Inspirations For Parties and Parades

July 16, 2018

mermaid man costume

How could we forget our mermen! I’ll admit, this blog is centered around mermaids but Mermen are a big part of the Mer-community too. You might be reading this post to get inspired for a mermaid parade, or Halloween party. Either way, check out these merman, or mermaid man costumes for your upcoming event.


merman costumes


A mermaid man costume can have many different layers. Let’s start with the basics.

merman briefs

These little merman briefs work great depending on what you are going for. Great for parades, under leggings and even swimming.

Mermaid Green Scales Men's Beach Shorts Swim Trunks Stripe Quick Dry Casual Polyester Swim Shorts
View on Amazon * $20.98
As of: 2020/10/26 3:03 pm - Details
(* = affiliate link / image source: Amazon partner program)
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Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on https://www.amazon.com/ at the time of purchase will apply to the purchase of this product.

mermaid man costume leggings

I really like the brand Mertailor, they have a lot of options for mermen! Make sure to use the discount code:  Molly10 for 10% off! 

Mertailor Mens Leggings (Medium, Caribbean Blue)
View on Amazon * -- 5 out of 5 stars
As of: 2019/02/18 10:04 am - Details
(* = affiliate link / image source: Amazon partner program)
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Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on https://www.amazon.com/ at the time of purchase will apply to the purchase of this product.

Getting a specific “merman” costume tail is hard online but the good thing there are plenty of “mermaid” tails to choose from. I recommend this one below as most mermaid tail skirts tether at the knees and it would be hard to walk.

Men's Mermaid Mafia Costume

Men's Salty Merman Costume

From there, the accessories are all yours! Go crazy!

Forum Novelties Trident Prop - King Neptune Poseidon Trident
elope Gold Mermaid Costume Crown Headband for Women
Disney POTC5 Trident of Poseidon, Multicolor, One Size
WINOMO Santa Wig and Beard Set Christmas Wig White Fancy Dress Costume
Price not available
Price not available
Price not available
$14.99
Forum Novelties Trident Prop - King Neptune Poseidon Trident
Price not available
elope Gold Mermaid Costume Crown Headband for Women
Price not available
Disney POTC5 Trident of Poseidon, Multicolor, One Size
Price not available
WINOMO Santa Wig and Beard Set Christmas Wig White Fancy Dress Costume
$14.99

King Triton and King Neptune Costumes

King triton is pretty easy but you have to be creative with accessories. Get a walking tail skirt, white wig (with beard) and a triton staff. King Neptune is a Roman God but still water themed if you don’t like the idea of a tail.

poseidon costume

Are you dressing up with a special mermaid? You can be the Greek God Posiden who rules all the waters of the earth.

Large Adult's Poseidon King Costume
View on Amazon * $39.95 4.2 out of 5 stars
As of: 2020/08/12 1:36 pm - Details
(* = affiliate link / image source: Amazon partner program)
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Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on https://www.amazon.com/ at the time of purchase will apply to the purchase of this product.

Aquaman costume

YES! I love this Marvel charachter! Super quick way to get rock hard abs, great hair, and rocking tattoos!

Rubie's Mens Aquaman Adult Deluxe Costume, Dawn of Justice, Standard
View on Amazon * $39.00
As of: 2020/08/12 1:36 pm - Details
(* = affiliate link / image source: Amazon partner program)
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Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on https://www.amazon.com/ at the time of purchase will apply to the purchase of this product.

The shape of water costume

Did you see this movie? So sweet. You could even swim with this mask on and get some fun reactions.

Trippy Lights Shape of Water Movie Full Overhead Latex Cosplay Helmet Mask
View on Amazon * $24.95
As of: 2020/08/12 1:36 pm - Details
(* = affiliate link / image source: Amazon partner program)
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Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on https://www.amazon.com/ at the time of purchase will apply to the purchase of this product.

mermaid man and barnacle boy costume

I had NO IDEA who these were before writing this post. Mermaid man and barnacle boy are fictional characters off of the show Spounge Bob Square Pants. If you have kids you probably know who these guys are.

mermaid man costumes

This is my human costume

Not huge on costumes? I get you! A basic T-shirt works if you don’t want to get all gussied up!

Womens Funny 'This is my human costume - I'm actually a Merman' Tee Small Cranberry
View on Amazon * $16.99
As of: 2018/12/31 5:42 am - Details
(* = affiliate link / image source: Amazon partner program)
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Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on https://www.amazon.com/ at the time of purchase will apply to the purchase of this product.

Mermaid security shirt

Maybe you have a bunch of “little mermaids” you need to take trick-or-treating. Wear a mermaid security shirt and keep those cuties in line.

MERMAID SECURITY Shirt Funny Beach Swimming Party Gift Idea
View on Amazon * $16.99
As of: 2019/01/07 8:42 pm - Details
(* = affiliate link / image source: Amazon partner program)
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Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on https://www.amazon.com/ at the time of purchase will apply to the purchase of this product.

King Triton Shirt

What do you think of this shirt? Super cleaver if you are not super into dressing up. Plus you get an automatic beard and merman abs.

mermaid man costume

Prince Eric costume

Ok ok… I know this isn’t a merman costume at all but I thought maybe a guy would be searching online trying to find a costume to pair up with a mermaid. Impress her by going as prince Eric! She will love it!

Forum Fairy Tales Fashions Prince Charming Costume, Blue/White, Standard
View on Amazon * $32.82
As of: 2020/08/12 1:36 pm - Details
(* = affiliate link / image source: Amazon partner program)
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Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on https://www.amazon.com/ at the time of purchase will apply to the purchase of this product.

Let me know which one you choose and which event you are going too!

More about Everything Mermaid

Molly the owner of Everything Mermaid wrote this post. When she isn't writing about being a mermaid, she is usually traveling the country in an RV trade and writing about it. Her specialties include Mermaid tails, blankets, pillows, and leggings . Sign up for her Mermaid monthly newsletter and hear about discounts and product reviews.

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