John Serafin
John Serafin at Mariano Rivera Honda

John Serafin

Sales Manager

Mariano Rivera Honda

1435 NY-112
Port Jefferson Station, NY 11776

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5.0
31 Reviews
5.0

31 Reviews

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31 Reviews of John Serafin

September 01, 2026

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Employee Rating

Had a great experience at Mariano Rivera Honda. Myke and Johnny were great and everyone there was very nice and helpful! More

by rob_petrillo
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Recommend Dealer
Yes

August 28, 2026

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Muy buen servicio. Fueron amables, profesionales y atentos. Estoy satisfecha con el trabajo que realizaron en mi carro More

by fuentesmarcela523
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Recommend Dealer
Yes
Aug 28, 2026

Mariano Rivera Honda responded

Our service department enjoyed delivering courteous and thorough support for your Honda HR-V. Knowing you’re satisfied with the work we performed on your Honda HR-V means a lot to us.

August 26, 2026

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Everyone is really great there from sales, delivery and service. They really made the experience of getting a new car less torturous. More

by alexislagala
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Recommend Dealer
Yes

Other Employees Tagged: Nicholas Malena , Cody in Service I won’t go to anyone else !

Aug 26, 2026

Mariano Rivera Honda responded

Knowing the experience of getting your Honda HR-V was less torturous means a lot to us. Your praise of our sales, delivery, and service teams motivates us to keep delivering that level of care.

August 22, 2026

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I was able to find a vehicle rather quickly. I knew exactly what I needed, which was a decent amount of cargo space, and it was within our budget. Worked out great. More

by ottenwalderd
Recommend Dealer
Yes
Aug 22, 2026

Mariano Rivera Honda responded

Knowing you found a vehicle that fit your cargo and budget needs so quickly means a lot to our team. We’re glad your Honda Passport offers the space you wanted without stretching your budget. Please let us know if there’s anything else we can do for you.

August 18, 2026

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I had a great experience when buying my car at Mariano Rivera Honda. I owe a special thanks to Oz Siddiqi the sales specialist who help guide me throughout the whole process. He stuck with me throughout t More

by acesdo23
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Recommend Dealer
Yes

Other Employees Tagged: Cavene Bonnick, Oz Siddiqi , Felipe. Very nice and helpful.

Aug 19, 2026

Mariano Rivera Honda responded

Knowing the service process on your Honda Accord felt seamless means a lot to our service team. Oz guided you through every step, and John’s positive updates helped you feel comfortable throughout. Thank you for your kind feedback and your five-star rating.

August 18, 2026

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Great experience from start to finish. Everyone was professional, helpful, and easy to work with from the salesperson to the finance manager. I really appreciated the smooth and straightfo More

by SANCHEZEMERSON1
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Recommend Dealer
Yes

Other Employees Tagged: Cavene Bonnick , Lamelle Sands

Aug 18, 2026

Mariano Rivera Honda responded

We’re glad your purchase of the used Honda Passport felt seamless from start to finish. Hearing that our team’s professionalism and support stood out means a lot to us.

August 13, 2026

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As a first time lessee we had the best experience at Mariano Rivera Honda. The salesman was extremely knowledgeable and patient with us as we discussed what we were looking for and we loved all the bene More

by laraliz00
Service Price Transparency
Recommend Dealer
Yes
Aug 13, 2026

Mariano Rivera Honda responded

Knowing that your first leasing experience exceeded your expectations means a lot to our team. We’re glad our sales staff could offer patient, clear guidance and show you the full benefits of leasing. It’s wonderful to hear our variety of models met your needs and that you’d recommend us to others.

July 25, 2026

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They work with you and help you in what you are looking for and what is in your budget More

by Miguel Z
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Recommend Dealer
Yes

Other Employees Tagged: Nicholas Malena , SANDS, L

Jul 25, 2026

Mariano Rivera Honda responded

Thank you for rating us five stars. We’re glad our team helped you find a used GMC Terrain that matched your needs and budget. We look forward to assisting you again.

July 02, 2026

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Johnny Lee and the entire staff at Mariano Rivera Honda were awesome. John was probably the most professional sales manager I have ever dealt with at a car dealership. Cavene did a nice job explaining all More

by jaye45
Sales Price Transparency
Purchase Time
Finance Experience
Recommend Dealer
Yes
Jul 02, 2026

Mariano Rivera Honda responded

It’s wonderful to hear that Johnny and John made your experience so professional and that Cavene’s overview of the aftermarket options was helpful. Enjoy your used Honda Pilot and please reach out if there’s anything else you need. Thank you for choosing us and we look forward to working with you again.

July 02, 2026

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I have to say that I had a good experience from Sales to Service. How a Salesman treats you before the sale is one thing. It's the after Sales support that shows just how good they are. I had small issu More

by jdecarlo1
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Recommend Dealer
Yes
Jul 02, 2026

Mariano Rivera Honda responded

Thank you so much for your 5-star review! We're happy to have made your experience pleasant before, during, and after the sale, We appreciate your support and look forward to your next visit. Have a great day!

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