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American restaurant · Islip

Classic Diner, Day and Night

Breakfast, dinner, and late-night plates in Islip.

Front view of an old-school American diner.

Opening Hours

  • Monday 7 AM–12 AM
  • Tuesday 7 AM–12 AM
  • Wednesday 7 AM–12 AM
  • Thursday 7 AM–12 AM
  • Friday 7 AM–1 AM
  • Saturday 7 AM–1 AM
  • Sunday 7 AM–12 AM

About Oconee Diner

Oconee Diner sits on Montauk Hwy in Islip and serves classic American food with Greek-inspired touches. Breakfast starts early. Dinner runs late. The room suits a quick stop, a long table, or a solo meal at the counter.

The menu covers breakfast, lunch, and dinner, with comfort food, healthy options, vegan options, and vegetarian options on the board. It also includes late-night food, small plates, and dessert. Coffee, cocktails, beer, wine, and spirits are part of the service. Counter service and table service are both available, along with takeout, delivery, and dine-in.

The diner opens every day. Hours run from 7 AM to midnight most days, with Friday and Saturday service extending to 1 AM. Outdoor seating adds another place to sit, and the space includes Wi-Fi, gender-neutral toilets, and wheelchair-accessible car park, entrance, seating, and toilet.

Families can bring children and use high chairs and a kids' menu. Reservations are accepted. Credit cards, debit cards, and NFC mobile payments are accepted. Parking is available with a free street option, a free parking lot, an on-site parking lot, and a paid parking lot. Guests can come in for a fast breakfast, settle in for lunch, or stay for dessert after dinner.

Classic diner booths and counter seating inside.

Good to Know

Planning your visit
Accepts reservations Reservations are accepted, so guests who want a set table can book before arriving, especially for busier meal times.
Parking
Free of charge street parking · Free parking lot · On-site parking · Paid parking lot Guests can choose among free street parking, a free parking lot, on-site parking, or a paid parking lot before heading inside.
Accessibility
Wheelchair-accessible car park · Wheelchair-accessible entrance · Wheelchair-accessible seating · Wheelchair-accessible toilet Wheelchair-accessible parking, entrance, seating, and toilet access are all available, so guests can plan a step-free visit from car to table.
Payment
Credit cards · Debit cards · NFC mobile payments Credit cards, debit cards, and NFC mobile payments are accepted, so guests can settle the bill without bringing cash.
Children
Good for kids · High chairs · Kids' menu High chairs and a kids' menu are available, and the diner works well for children during breakfast, lunch, or dinner.
Who comes here
Family friendly · Groups · LGBTQ+ friendly · Tourists The dining room welcomes families, groups, LGBTQ+ guests, and tourists, so larger parties can plan a casual meal together.
Atmosphere
Casual · Cosy The room feels casual and cosy, with seating for sit-down meals and counter service for a quicker stop.

Islip Address and Hours

Oconee Diner sits at 749 Montauk Hwy in Islip, NY 11751, United States. The address puts the diner on a main road, which makes it easy to place on a map and easy to reach for a planned meal or a quick stop on the way through town.

The doors open daily. Monday runs from 7 AM to 12 AM. Friday extends to 1 AM. That range supports an early breakfast, a midday break, or a late-night plate after a long shift. A guest can arrive before work, come in after errands, or settle in when the day is already over. The hours stay broad through the week, so the same spot serves morning, afternoon, and night without a change in routine.

For someone building the rest of the visit around the meal, the timing matters as much as the address. A breakfast stop can begin early. A dinner stop can stretch later. The same front door serves both.

Warm lighting over a casual family dining room.

Dine In Or Order Out

The diner gives guests several ways to eat. Dine-in works for a table meal inside. Outdoor seating gives another place to sit, with fresh air and a looser pace. Takeout turns the meal into something packed to go, ready for the car or home. Delivery brings the order out without requiring a trip inside.

Reservations are accepted too. That suits a planned dinner, a family gathering, or a stop where the table needs to be set before everyone arrives. The guest chooses the format first, then the meal follows that choice. Some people stay for a full sit-down visit. Others pick up food and keep moving. Others order from home and let the kitchen do the work.

The same diner handles all of those paths. A casual lunch, a family meal, and a quiet solo stop all fit within the same service pattern. The order changes, but the place stays the same.

American diner tables with simple place settings.

Parking And Access

The diner includes a wheelchair-accessible entrance, wheelchair-accessible seating, and a wheelchair-accessible toilet. Those features support the visit from arrival to the end of the meal. A guest enters, finds a place to sit, and moves through the room with practical access in mind.

Parking is covered with a free parking lot and on-site parking. That gives drivers a place to leave the car close to the door. The payment side is direct too. Credit cards, debit cards, and NFC mobile payments are accepted, so the bill can be handled with a card or a phone.

Families have useful support on site. High chairs are available, and the kids' menu gives younger diners a clear choice. The room is family friendly, casual, and cosy, with the kind of details that make a meal simple to manage from arrival to payment.

Frequently Asked Questions

What are the opening hours?

Oconee Diner opens at 7 AM every day. Monday through Thursday and Sunday run until 12 AM, while Friday and Saturday stay open until 1 AM. Guests can plan breakfast, a late lunch, dinner, or a later stop around those hours.

Can guests book a table ahead of time?

Reservations are accepted. Guests who want a planned arrival can book before they come in, which helps for family meals, group dinners, or nights when they want a table ready.

What payment methods are accepted?

Credit cards, debit cards, and NFC mobile payments are accepted. Guests can finish the meal with a card or phone payment at the register, so checkout stays simple.

What parking choices are available?

Parking includes free street parking, a free parking lot, on-site parking, and a paid parking lot. Guests can choose the option that fits their route and how close they want to be to the door.

Is the diner accessible for wheelchair users?

Wheelchair-accessible car park, entrance, seating, and toilet access are all available. Guests can plan a visit from arrival through the meal with those features in place.

Is the diner good for children?

The diner is good for kids, and high chairs and a kids' menu are available. Families can sit down for breakfast, lunch, or dinner and order with younger guests in mind.

Location

749 Montauk Hwy, Islip, NY 11751, United States