 Muthupet has two fish market one is Periya kadai theru fish market and azath nagar fish market.periya kadai their fish market is famous for Koduva meen, kalakan meen and viral meen.Muthupet's Azath Nagar fish is the biggest fish market in Thiruvarur district.Variety of fish, Prawn, Crab are available daily from 6.00 a.m to 6.00 p.m, Muthupet fish market is famous for Koduva and viral in fish type and karuvan Raal in prawn type, From Muthupet they do fish exports to various district and state in India...

Muthupet Mangrove forest is located at the southern end of the Cauvery delta, covering an area of approximately 13,500 ha of which only 4% is occupied by well-grown mangroves.