
Meet the team
16 members

Nick Caputi
price range
sales last 12 months

Joanna Tsue
price range
sales last 12 months

Trudy Losee
price range
sales last 12 months

Danielle Aglio
price range
sales last 12 months

Jennie Katz
price range
sales last 12 months

Jonathan Schuman
price range
sales last 12 months
Get to know the team
Owner-Broker
Hi, I’m Mark Stempel, Owner and Broker of Blue Island Homes. With over 30 years of experience and a background in architecture, I’ve helped hundreds of families buy and sell homes across Long Island. Alongside my dedicated team, we take a hands-on, personalized approach to every transaction, whether you’re purchasing your first home, upsizing, or selling a longtime residence. We know the local market inside and out and are proud to be named the B...
Team listings & sales (109)
For Sale (12)
Address | Bed/Bath | Listing price |
|---|---|---|
![]() 1427 Bellmore Rd Bellmore, NY 11710
| 5 Bed, 3 Bath | $1,399,000 |
![]() 182 Friends Ln Westbury, NY 11590
| 5 Bed, 5 Bath | $1,750,000 |
![]() 3012 Mandalay Beach Rd Wantagh, NY 11793
| 4 Bed, 4 Bath | $1,299,000 |
![]() 65 Haven Ave Valley Stream, NY 11580
| 4 Bed, 1 Bath | $649,999 |
![]() 38 Park Ave Amityville, NY 11701
| -- Bed, -- Bath | $1,750,000 |
For Rent (1)
Address | Bed/Bath | Listing price |
|---|---|---|
![]() 124 Mount Sinai Coram Rd Coram, NY 11727
| 4 Bed, 2 Bath | $4,250/mo |
Sold (96)
Address | Sold date | Closing price | Represented | Flag Sale |
|---|---|---|---|---|
| 10/31/2025 | $1,310,000 | Seller | ||
| 10/24/2025 | $760,000 | Buyer and Seller | ||
| 10/14/2025 | $999,999 | Seller | ||
| 10/10/2025 | $999,000 | Seller | ||
| 10/9/2025 | $1,075,000 | Buyer and Seller |
Team reviews (8)
Write a review- Highly likely to recommend||5.05.0
9/23/2025 - user55925248
Bought a Single Family home in 2025 in Wantagh, NY.
Review for Member: Jonathan SchumanLocal knowledgeProcess expertiseResponsivenessNegotiation skillsWe are beyond grateful for our incredible realtor, Jonathan Schuman. From the very beginning, Jonathan wasn’t just showing us listings, he was listening, paying attention, and truly understanding what Diana and I were looking for in a home. He took ... - Highly likely to recommend||5.05.0
9/5/2025 - donna rivervalley
Sold a home in 2025.
Review for Member: Jonathan SchumanLocal knowledgeProcess expertiseResponsivenessNegotiation skillsJonathan was a pleasure, very knowledgeable of the area, well liked, very professional. We would highly recommend Jonathan to anybody. ! We trusted him with our home, left the keys with him, and moved to Florida… I don’t think I would’ve ever done ... - Highly likely to recommend||5.05.0
3/16/2025 - zuser20140808124339972
Sold a home in 2025.
Review for Member: Nick CaputiLocal knowledgeProcess expertiseResponsivenessNegotiation skillsWhat can I say? Nick was amazing. He is very knowledgeable, Patient and goes above and beyond. He made a stressful process. Stress-free. Nick is a man of all trades if your looking for an agent. You wouldn’t want any other agent by your side other th... - Highly likely to recommend||5.05.0
1/21/2024 - tasmith501
Bought a Single Family home in 2024 in East northport, NY.
Review for Member: Nick CaputiLocal knowledgeProcess expertiseResponsivenessNegotiation skillsNick did an outstanding job helping us buy our home. He's very knowledgeable and respectfully shared advice each step of the process. He enjoys what he does and it is apparent. We highly recommend Nick! - Highly likely to recommend||5.05.0
11/9/2023 - peter plate
Bought and sold a Single Family home in 2023 in Centerport, NY.
Review for Member: Nick CaputiLocal knowledgeProcess expertiseResponsivenessNegotiation skillsNick did a masterful job of bridging the gap between buying first and selling second, which is often necessary in this low inventory housing market. He positioned us to be strong buyers, negotiated a competitive deal and solid contract, while also q...
















