Mong Kok, Hong Kong is a famous food district, especially seafood. Here are some places to consider trying seafood:

1. Mong Kok Market: Mong Kok Market is a traditional seafood market located in the heart of Mong Kok. Here you can find a variety of fresh seafood, including lobster, crab, scallops, sea cucumbers and more. There are many stalls in Mong Kok Market, offering a variety of seafood and snacks at relatively affordable prices.

2. Mong Kok Seafood Restaurant: Mong Kok Seafood Restaurant is a famous seafood restaurant located in the center of Mong Kok. Here you can find a variety of fresh seafood, including lobster, crab, scallops, sea cucumbers and more. Mongkok Seafood Restaurant offers a variety of seafood dishes and snacks, which are delicious and reasonably priced.

3. Mong Kok Sushi Restaurant: Mong Kok Sushi Restaurant is a famous Japanese restaurant located in the center of Mong Kok. Here you can find a variety of fresh seafood including tuna, salmon, eel and more. Mongkok sushi restaurants provide a variety of sushi and snacks, which are delicious and relatively affordable.

4. Mong Kok BBQ Restaurant: Mong Kok BBQ Restaurant is a famous barbecue restaurant located in the center of Mong Kok. Here you can find a variety of fresh seafood, including lobster, crab, scallops, sea cucumbers and more. Mong Kok BBQ Restaurant offers a variety of barbecue dishes and snacks, which are delicious and relatively affordable.

To sum up, there are many places to taste delicious seafood in Mong Kok, Hong Kong, and you can choose different places and restaurants according to your preferences and budget.