Extremely fishy goings on turned visitors' heads at a north Norfolk beach.

Eastern Daily Press: A mermaid and a fish enjoying the sea at Sara Underwood's and Andy York's combined hen and stag do's with an under the sea themed event at Brancaster beach. Picture: DENISE BRADLEYA mermaid and a fish enjoying the sea at Sara Underwood's and Andy York's combined hen and stag do's with an under the sea themed event at Brancaster beach. Picture: DENISE BRADLEY (Image: Archant)

While crabs and the odd washed-up harbour porpoise are not out of place on Brancaster's golden sands - mermaids, a seahorse and a giant cod with fat red lips all cavorting in the bracing briny are definitely a less common sight.

Eastern Daily Press: An orca chasing penguins at Sara Underwood's and Andy York's combined hen and stag do's with an under the sea themed event at Brancaster beach. Picture: DENISE BRADLEYAn orca chasing penguins at Sara Underwood's and Andy York's combined hen and stag do's with an under the sea themed event at Brancaster beach. Picture: DENISE BRADLEY (Image: Archant)

The strange collection of creatures was among some 50 marine marvels found paddling and screaming in the surf this afternoon.

Eastern Daily Press: Jellyfish enjoying the sea at Sara Underwood's and Andy York's combined hen and stag do's with an under the sea themed event at Brancaster beach. Picture: DENISE BRADLEYJellyfish enjoying the sea at Sara Underwood's and Andy York's combined hen and stag do's with an under the sea themed event at Brancaster beach. Picture: DENISE BRADLEY (Image: Copyright: Archant 2016)

They were all friends of soon-to-be-married Sara Underwood and Andy York who chose to combine their stag and hen dos with a sea-themed fancy-dress outing to Norfolk.

Eastern Daily Press: Bride to be, Sara Underwood as an octopus and groom, Andy York, a shrimp, along with Sara's dad as a sea horse, celebrate their combined hen and stag do's with an under the sea themed event at Brancaster beach along with family and friends. Picture: DENISE BRADLEYBride to be, Sara Underwood as an octopus and groom, Andy York, a shrimp, along with Sara's dad as a sea horse, celebrate their combined hen and stag do's with an under the sea themed event at Brancaster beach along with family and friends. Picture: DENISE BRADLEY (Image: Archant)

Ms Underwood, 50, made her own octopus costume and a giant squid outfit for her fiancé Mr York, 44.

Eastern Daily Press: A shipwreck and a parrot fish enjoying the sea at Sara Underwood's and Andy York's combined hen and stag do's with an under the sea themed event at Brancaster beach. Picture: DENISE BRADLEYA shipwreck and a parrot fish enjoying the sea at Sara Underwood's and Andy York's combined hen and stag do's with an under the sea themed event at Brancaster beach. Picture: DENISE BRADLEY (Image: Copyright: Archant 2016)

'I've always wanted to be an octopus and this was the perfect excuse to do it,' she explained.

Eastern Daily Press: Bride to be, Sara Underwood as an octopus and groom, Andy York, a shrimp, celebrate their combined hen and stag do's with an under the sea themed event at Brancaster beach along with family and friends. Picture: DENISE BRADLEYBride to be, Sara Underwood as an octopus and groom, Andy York, a shrimp, celebrate their combined hen and stag do's with an under the sea themed event at Brancaster beach along with family and friends. Picture: DENISE BRADLEY (Image: Copyright: Archant 2016)

Her mum Sue Underwood also created her own parrot fish fancy dress while dad Tony hired his seahorse costume.

Eastern Daily Press: Bride to be, Sara Underwood as an octopus and groom, Andy York, a shrimp, celebrate their combined hen and stag do's with an under the sea themed event at Brancaster beach along with family and friends. Picture: DENISE BRADLEYBride to be, Sara Underwood as an octopus and groom, Andy York, a shrimp, celebrate their combined hen and stag do's with an under the sea themed event at Brancaster beach along with family and friends. Picture: DENISE BRADLEY (Image: Copyright: Archant 2016)

The Underwoods senior own a home in Brancaster and their daughter has known the area for many years.

Eastern Daily Press: Bride to be, Sara Underwood as an octopus and groom, Andy York, a shrimp, celebrate their combined hen and stag do's with an under the sea themed event at Brancaster beach along with family and friends. Picture: DENISE BRADLEYBride to be, Sara Underwood as an octopus and groom, Andy York, a shrimp, celebrate their combined hen and stag do's with an under the sea themed event at Brancaster beach along with family and friends. Picture: DENISE BRADLEY (Image: Copyright: Archant 2016)

The party, in full fancy dress, arrived at the Norfolk coast aboard a coach from their homes in Northamptonshire.

Eastern Daily Press: Bride to be, Sara Underwood as an octopus and groom, Andy York, a shrimp, celebrate their combined hen and stag do's with an under the sea themed event at Brancaster beach along with family and friends. Picture: DENISE BRADLEYBride to be, Sara Underwood as an octopus and groom, Andy York, a shrimp, celebrate their combined hen and stag do's with an under the sea themed event at Brancaster beach along with family and friends. Picture: DENISE BRADLEY (Image: Copyright: Archant 2016)

After their seaside paddle they rounded off the day appropriately with lunch at Eric's Fish and Chip Shop in nearby Thornham.

Eastern Daily Press: Bride to be, Sara Underwood as an octopus and groom, Andy York, a shrimp, celebrate their combined hen and stag do's with an under the sea themed event at Brancaster beach along with family and friends. Picture: DENISE BRADLEYBride to be, Sara Underwood as an octopus and groom, Andy York, a shrimp, celebrate their combined hen and stag do's with an under the sea themed event at Brancaster beach along with family and friends. Picture: DENISE BRADLEY (Image: Copyright: Archant 2016)

'It's been fantastic. We've loved it,' said Ms Underwood. 'We've had mermaids sitting on the rocks and jellyfish waving in the breeze. It couldn't have gone better.'

Eastern Daily Press: Bride to be, Sara Underwood as an octopus and groom, Andy York, a shrimp, with shark, nine-year-old Kitty Loak, celebrate their combined hen and stag do's with an under the sea themed event at Brancaster beach along with family and friends. Picture: DENISE BRADLEYBride to be, Sara Underwood as an octopus and groom, Andy York, a shrimp, with shark, nine-year-old Kitty Loak, celebrate their combined hen and stag do's with an under the sea themed event at Brancaster beach along with family and friends. Picture: DENISE BRADLEY (Image: Copyright: Archant 2016)

Ms Underwood and Mr York, who run an engineering business, live in Brigstock, between Kettering and Peterborough.

They plan to marry on December 21 in a hotel near Nottingham.