For Perth chocolatier Sue Lewis, the demand for Easter chocolate has thown her microbusiness a financial lifeline amid the coronavirus economic crisis.

Key points: Businesses traditionally linked to Easter are getting a financial reprieve

Businesses traditionally linked to Easter are getting a financial reprieve Many have had to adapt their business models to make things work

Many have had to adapt their business models to make things work But some are fearful of what will happen to their income post-Easter

Easter is typically her busiest period and is what sustains the business for the year, but as coronavirus takes an economic toll on businesses everywhere, this year's Easter trade has become even more vital.

"If this had happened outside Easter, during the winter, I think we would have definitely struggled," Ms Lewis said.

With only two customers allowed in the store at a time because of physical distancing restrictions, staying afloat has meant adapting and Ms Lewis's bustling shopfront has become an online delivery service.

Sue Lewis says her business has delivered twice the number of orders it normally would. ( ABC News: Evelyn Manfield )

"It's been very busy. We were slightly concerned as it's our busiest time of year and this is the first time we've really sold online, but it's gone gangbusters," she said.

'Egg-semption' a business lifeline

In a small basement kitchen in the State Buildings, Ms Lewis has been working overtime to make sure there is enough chocolate for the Easter bunny to deliver.

And she said she was deeply grateful that Premier Mark McGowan's Easter Bunny "egg-semption" had allowed her to do just that.

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But beyond Easter, the future looks uncertain and Ms Lewis said the shop was looking at ways it could stay viable.

"We'll maybe do some online classes and also take a little bit of time out just to work on new products," she said.

Chocolatier Sue Lewis has been working overtime to keep up with demand. ( ABC News: Evelyn Manfield )

Sue Lewis says post-Easter she may need to look at new ways to keep the business viable. ( ABC News: Evelyn Manfield )

An unexpected Christmas

Seafood sellers also depend heavily on Easter, when many people choose to buy fish for Good Friday.

West Coast Seafood owner Winton Lawton said his delivery service was typically not as busy as other seafood retailers during Easter.

But this week had been the busiest in 15 years, particularly throughout the central Wheatbelt and South West regions.

Fresh fish sales have risen in the leadup to Easter Friday, when seafood is traditionally eaten. ( Charlie McKillop )

"It's a bit like Christmas [but] without the organisation and planning because it's not something that we expected," he said.

Mr Lawson said in the past week they had delivered more than 1,000 orders — double what the business usually does.

He suspected that was because coronavirus restrictions had forced people to stay home and cook, rather than eat out.

Smaller fish to fry

At Sealanes Seafood Market in South Fremantle, early Easter sales were busy too, but operations are very different.

Typically, on the Thursday before Easter, about 100 people at a time would pile into the store.

Customers still turned out to pick up fresh seafood for Good Friday at Sealanes Seafood Market. ( ABC News: Hugh Sando )

This year Sealanes has implemented strict physical distancing restrictions and limited the number of customers in the store to 30.

Retail supervisor Ben Fairchild said sales in recent weeks had been strong, due to customers buying early or stockpiling.

But he said buying patterns had changed — customers were purchasing smaller fillets rather than one big fish, which he said indicated people were adhering to advice and cancelling large family gatherings.

People are more likely to buy fillets rather than a whole fish, as they are not feeding extended family as usual on Easter. ( ABC Rural: Laurissa Smith )

Double demerits still apply

Many West Australians have had to cancel their traditional Easter long weekend getaways, with checkpoints in place to stop people travelling outside of their region for anything other than essential travel.

And while long weekend double demerits still apply to anyone caught committing traffic offences, the Government is hoping that with far fewer drivers on the roads, there will be a significant drop in deaths and serious injuries, particularly on regional roads.