You can't really be a mermaid or fairy on Sims 2. But go on modthesims2.com or go to a downloading place for sims 2 and there should be a mermaid or fairy COSTUME. Download that and go to one of the stores in the town. The costume should be there and so buy it. Then go to your dresser at home and put it on.
make an ordinary tail but without the extras because monofins are a place to put your feet.
Havendish Square,near the ballroom, Kits Place, and The Tearoom and Cassie's costume shop ( its part of the Theathre )
You can see a mermaid in the movies, in a painting or drawing, in a game, on a TV show with actors in costume, but you will never see a real mermaid because they aren't real and don't exist. It is all make believe.
You can try to find here, oyacostume.ca... Cheap Halloween Costume Canada.
I believe the best place to get a halloween costume is from Party City.
ebay.com search "goku costume" then place a bid
You will get to access the place behind the door in the Mermaid Cove.
No it is impossible to swim there a mermaid needs to be in a clean place to where the mermaid is attached to their friends and family and at the grand trunk is just to crowded.
The best place to have a mermaid tattoo is a matter of preference. Most people have it on the lower back, forearm or the upper arm near the shoulder.
A mermaid is a mythical creature with a head of a human and tail of a fish. So concidering they ARE mythical, which means they aren't real, it would be impossible for you to see a mermaid.
The cheapest place is the 99 cent store