Marnie Seinor

Sales Agent
Real Estate Agent In Double Bay

Last updated on Friday, September 18, 2026 ( View Agent Profile of Marnie Seinor)

Properties Sales Statistics

7+
Properties for sale

About Marnie Seinor - Real Estate Agent

With more than 24 years of experience in Sydney’s South Eastern Suburbs property market, Marnie Seinor has established an outstanding career defined by market knowledge, trusted client relationships and consistently strong results.

Her detailed understanding of the local market, considered approach and clear communication have made her a highly regarded advisor to both vendors and buyers. Marnie has been recognised among the Australian Real Estate Business Top 100 Sales Agents for six consecutive years and named the tenth-ranked female sales agent in Australia.

As part of Sydney Sotheby’s International Realty, Marnie combines her extensive local expertise with the global reach, distinguished reputation and high standard of service synonymous with the Sotheby’s International Realty brand. She remains focused on delivering carefully considered campaigns, exceptional outcomes and a highly personalised experience for every client.

Connect with Marnie Seinor on social media Facebook, LinkedIn.

Marnie Seinor's Next Open Home Is

Upcoming Auctions

Properties for Sale and Recently Sold by Marnie Seinor, Sydney Sotheby's International Realty - Double Bay - Double Bay

Matraville

2 properties for sale

1 properties sold

Botany

1 properties for sale

Pagewood

1 properties sold

Malabar

1 properties for sale

Little Bay

1 properties for sale

Coogee

1 properties sold

Maroubra

1 properties for sale

Properties By Marnie Seinor

Here are the lists that contain all properties Marnie Seinor have sold and listed on realsearch.com.au.

Marnie Seinor is a part of team at Sydney Sotheby's International Realty - Double Bay located at Malabar, Little Bay, Coogee, Maroubra, Matraville, Botany, Pagewood has 7 properties for sale.

Properties for sale by Marnie Seinor

8/24 Chelmsford Avenue, Botany, NSW 2019

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1 1 1

Open Saturday 19 September 11:00 am Auction Saturday 17 October 9:00 am

4 Daunt Avenue, Matraville, NSW 2036

Guide $2,200,000

4 3 2

Open Saturday 19 September 1:00 pm Auction Wednesday 14 October 6:00 pm

171 Beauchamp Road, Matraville, NSW 2036

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5 2 2

Open Saturday 19 September 1:30 pm Auction Saturday 10 October 9:00 am

4/39 Robey Street, Maroubra, NSW 2035

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3 2 2

Open Saturday 19 September 9:45 am Auction Saturday 26 September 12:00 pm

107 Victoria Street, Malabar, NSW 2036

Auction

4 5 2

Open Saturday 19 September 10:15 am Auction Saturday 26 September 10:30 am

27 Dawes Street, Little Bay, NSW 2036

Guide $3,100,000

3 2 3

Open Saturday 19 September 12:00 pm Auction Saturday 10 October 12:30 pm

1/19-21 Wilson Street, Botany, NSW 2019

Guide $1,550,000

3 3 2

Open Saturday 19 September 11:15 am Auction Saturday 26 September 9:00 am
Properties for rent by Marnie Seinor

Contact Marnie Seinor at Sydney Sotheby's International Realty - Double Bay

Marnie Seinor

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