
Meet Oasis Realty Group
12 members

Helen Williams
price range
sales last 12 months

Amanda Dubester
price range
sales last 12 months

Gustavo Rivera
price range
sales last 12 months

James Lebovich
price range
sales last 12 months

Anthony Gagliardi
price range
sales last 12 months

Christian Patrizio
price range
sales last 12 months
Get to know Oasis Realty Group
Lic. Associate Real Estate Broker
Nicholas Sekela is the driving force behind Oasis Realty Group, a premier real estate firm based in Bellport Village. Widely recognized for his leadership and innovation, Nicholas has earned distinction as one of Long Island Board of Realtor's "Top 20 Under 40" and a Long Island Real Producers "Rising Star in Real Estate", reflecting both his professional excellence and commitment to delivering outstanding results.
He holds a Bachelor’s degree in...
This team offers Showcase to make listings stand out
helps homes sell faster and for more with increased exposure on Zillow, a virtual tour, and an interactive floor plan.

Premier Lenders
Team listings & sales (146)
For Sale (4)
Address | Bed/Bath | Listing price |
|---|---|---|
![]() 21 Innis Ave Ronkonkoma, NY 11779
| 4 Bed, 3 Bath | $649,900 |
![]() 18A Valley Cir Miller Place, NY 11764
| $349,900 | |
![]() 18B Valley Cir Miller Place, NY 11764
| $349,900 | |
![]() New York Ave Miller Place, NY 11764
| $299,900 |
For Rent (1)
Address | Bed/Bath | Listing price |
|---|---|---|
![]() 504 Gazzola Dr #A Patchogue, NY 11772
| 4 Bed, 2 Bath | $4,500/mo |
Sold (141)
Address | Sold date | Closing price | Represented | Flag Sale |
|---|---|---|---|---|
| 1/20/2026 | $760,211 | Seller | ||
| 12/15/2025 | $710,000 | Buyer | ||
| 12/12/2025 | $1,600,000 | Seller | ||
| 12/12/2025 | $479,000 | Buyer | ||
| 12/3/2025 | $1,150,000 | Seller |
Team reviews (35)
Reviews represent all team members.
- Amanda was a great agent. she was personable, knowledgeable, and she was always willing and able to go above and beyond for us. We are so grateful she was part of helping...Amanda was a great agent. she was personable, knowledgeable, and she was always willing and able to go above and beyond for us. We...5.0
- 12/1/2025
- • dennis5887
Sold a Single Family home in 2025 in Bellport village, NY.
Review for: Nicholas SekelaNick was an exceptional realtor—extremely knowledgeable, confident, and effective. His marketing video of my home was awesome and he negotiated a fantastic price. It’s cl...Nick was an exceptional realtor—extremely knowledgeable, confident, and effective. His marketing video of my home was awesome and ... - 5.0
- 11/24/2025
- • blue5477
Bought and sold a Single Family home in 2025 in East patchogue, East patchogue, NY.
Review for: Nicholas SekelaNicholas is an outstanding realtor. We met Nicholas at an open house he was hosting and we were instantly captivated by his friendly, upbeat and positive personality. T...Nicholas is an outstanding realtor. We met Nicholas at an open house he was hosting and we were instantly captivated by his frien...5.0- 8/14/2025
- • dbflyin
Bought a Single Family home in 2025 in Mastic beach, NY.
Review for: Helen WilliamsAn incredible experience. Helen was exactly what we needed in a realtor. She helped us find the exact right house, in the town we wanted to be in. Then negotiated a great...An incredible experience. Helen was exactly what we needed in a realtor. She helped us find the exact right house, in the town we ... - 5.0
- 6/3/2025
- • reinhart1990
Bought a Single Family home in 2025 in Islip, NY.
Review for: Anthony GagliardiAnthony is a grade A+++ real-estate agent and mortgage loan originator. I would highly recommend him to anyone! He is prompt, detail oriented, very familiar with the i...Anthony is a grade A+++ real-estate agent and mortgage loan originator. I would highly recommend him to anyone! He is prompt, d...5.0- 5/15/2025
- • KevinOsorio64
Bought a Single Family home in 2025 in Mastic, NY.
Review for: Gustavo RiveraI had the pleasure of working with Gustavo Rivera as my buyer’s agent, and I can confidently say he is one of the best real estate agents in Suffolk County. From start to...I had the pleasure of working with Gustavo Rivera as my buyer’s agent, and I can confidently say he is one of the best real estate... - Was very easy to talk to and helped would recommend to anyone, everything went fast and simple. Helped with questions about the property and house, and was very quick to ...Was very easy to talk to and helped would recommend to anyone, everything went fast and simple. Helped with questions about the pr...5.0
- 5/8/2025
- • TyD2
Property managed a Single Family home I rent in Middle island, NY.
Review for: Gustavo RiveraWorking with Gustavo is an absolute pleasure. He is incredibly responsive, knowledgeable and always one step ahead throughout the entire process. He made the entire proc...Working with Gustavo is an absolute pleasure. He is incredibly responsive, knowledgeable and always one step ahead throughout the ... - Due to the condition of a home I inherited which needed so many updates and internal work, I felt as if I would drown in debt and I surely was in no position to fix the h...Due to the condition of a home I inherited which needed so many updates and internal work, I felt as if I would drown in debt and ...If you aren’t already, I highly suggest working with Gustavo. He’s attentive, quick to respond, and has always been such a pleasure to work with! If you’re looking for so...If you aren’t already, I highly suggest working with Gustavo. He’s attentive, quick to respond, and has always been such a pleasur...















