About Mary Ann O'Shea

Mary Ann O'Shea

Broker | Partner

Email Address

[email protected]
Primary Phone

(609) 713-4164
Address

107 E 87th St Long Beach NJ, 08008
License Number
#9484334

When it comes to buying or selling on Long Beach Island, experience isn't just a credential — it's everything. Mary Ann O'Shea has been one of LBI's most trusted REALTORS® since 1994, giving her an unmatched understanding of the island's distinct neighborhoods, micro-markets, and the seasonal rhythms that shape property values here.

Whether you're searching for your dream beach retreat, looking to sell at the right moment, or exploring LBI as an investment opportunity, Mary Ann brings expertise that goes far beyond the transaction. She specializes in vacation and secondary home sales, and has deep knowledge of 1031 tax-deferred exchanges, rental income analysis, and investment property valuations — insights that can meaningfully impact your bottom line.

LBI isn't like any other market, and Mary Ann knows it better than almost anyone. With over three decades on the island, she can tell you not just what a property is worth today, but what it could mean for your future.

Broker / Salesperson
CRS - Certified Residential Specialist
ABR - Accredited Buyer Representative
GRI - Graduate REALTORS® Institute
RE/MAX Chairman Club 2025, 2023, 2018, 2014, 2012
RE/MAX Platinum Club 2024-2008, 2006-2002
NJAR Circle of Excellence Platinum Award 2024-2008, 2006-2002
NJAR Circle of Excellence Gold Award 2023, 2013, 2011-2008, 2006-2002
NJAR Circle of Excellence Silver Award 2007, 2001-1999
SOLD OVER $50 Million in 2024 - #5 in Volume on LBI
SOLD OVER $30 Million in 2025 - #10 in Volume on LBI

What our clients say

Thank you so much for all your efforts to give us such a smooth, quick, and easy sale of our home! It was a pleasure working with you!

— Diana

What our clients say

You have made selling our shore home a pleasure rather than an awful chore. Thank you for being on top of everything and working the details. If you ever need a reference, you may send them to us. We have no complaints, only compliments!

— Diana & Bud

What our clients say

We received your card and gift. Thank you so much. You did not have to, but it is so very much appreciated. As expected, you were a pleasure and easy to work with, and we appreciate everything you did for us. We will be in touch in the future when we are ready to buy again!

— Jason & Marianne

What our clients say

Both Karen and I want to thank you for everything you have done for us - Greatly Appreciated! Wishing you all the best!

— Bob & Karen

What our clients say

Many thanks for your outstanding professionalism and salesmanship!

— Becky & Michael

What our clients say

Thank you for all of your time and kindness. You went above and beyond on several occasions to keep this purchase on track. You are a very knowledgeable and thorough professional, and we wouldn't hesitate to recommend you to anyone! You were wonderful to work with!

— Joanne & Mike

What our clients say

We wanted to thank you after the sale of our condo and for the closing of our new home. We can't thank you enough! We love our new home and hope you will stop by for a cocktail sometime!

— Jill & Mike

What our clients say

We always enjoyed the time spent with you and certainly appreciate your hard work and expertise. We would like very much to keep in touch. Wishing you a Happy Easter.

— Keith & Diane

What our clients say

Mike and I would like to thank you for all your help.

— JoAnne & Mike

What our clients say

We wanted to thank you for all you've done to get us in our new beach home. We're sure we'll have lots of beautiful memories.

— Hala & Ron

What our clients say

It was our pleasure to work with you. We appreciate your diligent advertising of our condo - the pictures and videos were so well done. We are very happy the condo was sold to a very nice young man and his mom. We are certain they will enjoy it and make good friends, as we did

— Kim & Tom

What our clients say

It has been a particular pleasure and bonus for me to have "worked" with such a lovely and gracious lady. I will miss our regular conversations that I have become happily accustomed to over the last several weeks. When we decided to sell our beloved home, we pondered whether to place it with a realtor or to try to sell it on our own. You proved without question that we made the right decision. After we get settled into our new "digs", I hope that you and your husband will accept an invitation to visit us. In any event, I wish you continued success and, most importantly, good health. May the future provide you and your family the best that God has to offer.

— Steve

What our clients say

Working with you has been a remarkable experience! We truly appreciate you going above and beyond to sell our first home. Thank you for everything; you were amazing. If anyone needs a Realtor, we will send them your way!

— Lara & Peter

What our clients say

We appreciate you and your work.

— Dennis & AnnMarie

What our clients say

Thank you for helping us with buying and selling over the past year. You are awesome at what you do.

— Pam & Brian

What our clients say

We can't thank you enough for all your help through the entire process, especially while you had so much going on in your personal life. You were such a steady hand for us with your expertise and honest assessment of every situation. Not only were you so amazing, but every recommendation for things around the house has been amazing! We love every minute in the house and will be sure to send anyone we know looking your way!

— Emily & Frank

What our clients say

Thank you for all the detailed market analysis for my mom's property. With your help, I was able to provide everything the attorney needed. Hope you and your family are well. I'm sure you are as busy as ever. You are truly a special person and a fantastic realtor. You found my house for me, and I have always been happy with this decision. I remember you showing us so many houses! Nothing felt right until we saw our home. I thank you for that as always. I hope to see you again sometime. If my mom decides to sell, you will be the first one I call!. Take Care!

— Andrea

What our clients say

We really appreciate you negotiating the settlements and your friendship. We look forward to making our "new" home our "forever" home. Thank you for all your help during this "difficult" transaction.

— Steve & Joy

What our clients say

How could I possibly give you the proper thanks for your great kindness to me? I can't. You did so much work. I do not know what the future holds, but I shall keep your card with me. You are a very, very special woman! God Bless!

— Sister Doris

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