We have had lunch here twice, about a year apart, and it was still as good the second time. Besides being a lovely place and having charming waitstaff, everything is very fresh and nicely presented. The serving of meatballs is generous as is the gyro with fries and a little salad. It's really nice that before ordering, we were served fresh baguette slices with a variety of olives and olive oil for dipping. We ordered the eggplant dip that came with warm, soft pita. Spanakopita is 4 hot and crispy individual triangles set on top of tzaziki. Although the sidewalk in front is under construction, the restaurant is carrying on serving inside so, if you're in the area and you enjoy Greek food, stop in! read more

10/10! Worthy of a location in Portland. We stopped here for a quick bite but ended up ordering a full 3 course meal. Service was great, our waitress was attentive and good came out quickly. The location downtown was perfect for and afternoon walk. Will be coming back soon! read more

My husband loves Opa, but I did not have a great experience. I love Moussaka, and I was so looking forward to eating at an authentic greek restaurant in Waterville so I could order it. But Opa's moussaka was not good. Maybe sat too long?? Not sure but put me off of the restaurant unfortunately. read more

The food is middle of the road, portions are small and prices are high. Even if I had unlimited money I wouldn't eat here again. It's not that the food is terrible but Waterville is small and you have to do better than average. Especially when it's super overpriced. read more

I think the staff was overwhelmed when we visited as it was right before a show at the opera house, but unfortunately the whole experience was not good. We waited 20 minutes before we were waited on. I was excited to see that they had tequila options on the menu, but probably should have known that a Greek restaurant wasn't the place to have a tequila drink. I ordered a spicy marg. There was absolutely no spice--maybe not even any tequila as I could only taste sour mix. My husband had the house red wine which was okay. We decided to order the trio of dips and falafel to start with plans to order more if we were still hungry. The falafel was terrible--I make better at home from mix. It's a Greek restaurant, therefore, falafel should be one of their stars and it was not. The dips (spicy feta, hummus and tzatziki) were all bland save the hummus. I have never been to a Greek restaurant where flavor and salt are needed. We basically stuffed ourselves with pita. Lastly, we had to flag down our server as we were more than ready to go. This wasn't just me. During our meal, a woman next to us had actually turned her entire body around waiting to find their server and finally got up and told them they were ready to go after being ignored for a good 10 minutes. read more

Looking for the best restaurant in Maine? Look no further. The food is out of this world great. So much goes into every single bite you take. I do believe practically every component in the food you will have here is either locally grown or sourced. The menu constantly shifts so you will never get bored. I have had a great many dishes here and will promise you there will be 0 dissatisfaction with your experience here. The food will blow your mind. Perfection. 10/10 read more

The food was so flavorful and the meat was so juicy. The people there were so nice. The inside of the place was super nice but every time someone opened the door there was a chilly Breeze. There were a lot of people there so I think they also had a downstairs room to seat people. read more

Went for a pre-holiday office party and got to try everything on the menu. Going back for Greek Nachos, asap. What an amazing experience for a Tuesday evening. Carbonara was good beyond words. read more

The food is outstanding and so is the service. This is one of my favorite restaurants in Maine! I think once the construction is finished you'll have a problem getting in for dinner. read more

I was very impressed with this restaurant, particularly the quality of the food. The complimentary appetizers (bread and warmed olive oil with olives, hummus with pita bread slices) were unexpected and delicious. The Greek wine selection was good and the one I ordered was very tasty. The fish special was absolutely divine. I can't wait to try more of their menu items like their dolmas or the spanakopita. Overall we had a great meal for our anniversary and I'd highly recommend you check this place out! read more

Opa - Yaaahmmmm! So delicious - Greek Near Me - Waterville, Maine

Great drink menu with so many options depending on your preferences. We sat outside and watched the sites and sounds of town. The service was one of the best we have ever had. Very attentive, not pushy, super knowledgeable and great personality. The food was a nice twist on "typical" Greek food. If you are in town this place is a must. read more

ordered take out . family loved it. especially the falafel dish. all dishes tasty! cute little spot. friendly staff. one day i'll return and dine in. read more

Holy cow is this place delicious! I travel a lot and was really excited to see this as an option in Waterville. It's small but well laid out, and the bar is nice and comfortable. I ordered the fried cheese and the grilled eggplant... Yum! There are few things in life better than fried cheese, and this definitely raised the bar. It was served with a side of fig puree and was delicious! Crispy and cheesy and everything I wanted. The grilled eggplant was fabulous-- perfectly cooked on a bed of delicious tomato sauce, with caramelized onions and roasted mushrooms. I could eat this a hundred times over and be happy. House made sangria rounded out my meal at the bar. It was fruity and well balanced. My server was the bartender as well, and he was really pleasant! The family speaks Greek to each other and the whole thing is really authentic. I can't wait to eat here again the next time I'm working in Waterville. read more

Hands down the best restaurant in Waterville! The food is seriously spectacular and the environment is warm and welcoming. Great drinks, friendly staff and large portions. I'll be back again and again! read more

Opa - Blackened Ahi tuna on a bed of horseradish and scallion mashed potatoes with a fennel, arugula, and orange salad - Greek Near Me - Waterville, Maine

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Food is great and staff are always vary nice grate location in the center of Waterville well worth the visit

I got the Opa burger and my husband got the Gyro. Holy cow was that burger delicious. I don't know what was on it but it was awesome. My hubs liked the gyro but said he'd get something else next time. If you like flavorful food and well crafted drinks, or excellent beer options - this is a place you definitely should visit. read more

I was so happy to have a different restaurant come into Waterville. The interior is very modern and clean. Service was excellent and very welcoming. The food was on the small side as far as portions go. I get that they are more of an upscale restaurant which in certain circumstances also relates to smaller portions but I truly hate that concept. If I'm paying a decent price for a meal I expect something that will fill me up not leave me wanting more. The presentation was beautiful and flavors were good. The chicken dishes were on the dry side and the kabobs were a little too charred to eat the whole piece. We did eat everything so it definitely wasn't bad, just left hungry still. Overall we will likely return because we love Mediterranean food and it's something different. read more

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At last, a new restaurant opening in town, and they actually know how to do it, right from day one. It's ever frustrating for foodies to see new restaurants come and go in our little city, especially when the food is good, but the execution is not. To wit, a wonderful Italian restaurant closed over the holiday after a year and a half of benign neglect of the owner. The food was great, the concept was great, but we only ever saw the owner as a dining customer, never as a manager. Too bad that. They could have owned the night in Waterville. Opa has no such problem. The owner and creator is up front and present to greet and serve every customer. That's what it takes, let there be no question. The restaurant itself is modern, well lighted and decorated, and they use nice and trendy ware to serve their excellent food. I haven't yet counted chairs, but it looks like they can seat about 70 or so people at one time. The kitchen and bar is just about right to service this size crowd. We were wondering how long, if ever, it would take for a proper Greek restaurant to come to our town, or anywhere near us. Not only will they take some business from other down town spots, but they also will get new diners out of their houses, as this clientele, and this cuisine has been underserved for years. Good job, Opa, for spotting this opportunity. The menu is at once recognizable yet new, well sorted, and not overly ambitious. They offer a good number of Greek classics, and Greek-a-fied local favorites, and provide something for most everyone. The owner says he's keeping a log of customer requests, and has already responded to my wife's request for more vegetarian alternatives. He's added a delightful eggplant dish, right at the top of his menu. He maintains that the menu should be fluid and responsive, yet in touch with it's Greek base. We have dined at Opa two consecutive Saturdays, and in both cases had marvelous meals. The second visit found a waiting line out the door on this very cold night. No worries. We were soon whisked to our table by the owner's mom, a charming, vivacious Greek lady, so proud of her son and soon to be doctor daughter. In any Waterville restaurant, service can be dicey, and without a strong owner presence, wheels can come off with little notice. At Opa, it's a family approach that gets the job done. On our last visit, two servers and a cook had called out, but you'd not notice it by the timeliness of our food delivery, and there was no diminishment of quality. Everyone working in the place chipped in to make the flow work. So far, we have tried the pit and split pea dip...delicious and generous, Saganaki...fried chees on filo with fig preserve...yum, Hortasalata (green leaf salad) with beets, big and satisfying, spanakopita...the best I've ever had,Melitzana...the vegetarian dish I mentioned...very good, Carbonara, and interesting and tasty variation, Moussaka...this is the first time I've ever eaten this much loved dish without getting heartburn...a real winner, and Arni, classic braised lamb shank, with roasted winter vegetables and mashed...fork tender, and tasty as it should be. On the occasion of both visits, we finished with Orange Pie. Do it. You'll love it. Go ahead, you know you want to. No new restaurant is perfect, and Opa is still working through a small list of things, but in the end, this is what a great restaurant looks like in it's early days. Our food was excellent, service timely and effective, and the atmosphere was warm and cosseting. It will be fun watching this saga unroll, and see this smallish but excellent restaurant grow out of it's training wheels. I heard a couple of grumblings about pricing, but I can't see why. Pricing at Opa is decidedly moderate, and they confidently rely on sustaining numbers of guests to stay that way. Opa seems to know who they are, who their customers are, and we should all support this strong effort to improve our small town. Good job, Opa. Keep up the good work. read more

It was my friend Jennifer's idea to go to this restaurant. I usually like to give new places a few weeks to iron out their kinks so-to-speak, but I agreed to because I absolutely love Greek food!! We were greeted at the door by the owner, Sortirios Gudis, who had a smile on his face, "Welcome!" He says and seats us as far away from the door as possible. He gave us a tour of the menu and sets the mood for an excellent dining experience. Jennifer and I took Sortirios' advice of having the Sampler Platter and then we ordered two different appetizers and shared. I had the calamari and she ordered the spanikopita, and everything was exquisite. I am definitely going back again. This place has no wrinkles to iron out...it's ready for you right now...go and enjoy! read more

I enjoyed the dining experience - the food was as tasty. I look forward to going again, get there early as the restaurant fills up fast on the weekends. read more

AH-MAY-ZING!!! Stylish, fine dining, you are warmly greeted by wait staff and owner Sotirios & Anna Gudis, and the aromas of the exquisite cuisine! All staff are beyond friendly, attentive, and professional. We tried the calamari - perfectly battered & fried, the cauliflower special - a lighter dish, bursting with flavor, the spanakopita - flakey, delish, and the tender, flavorful meatballs - just for starters! My father had the huge braised lamb, it literally fell clean off the bone and melted in his mouth! My mother had mousakka - a flavor explosion, my brother had the pastitsio - it was his second time ordering it - needless to say he loves it! I had the Carbonara w/grilled chicken added - creamy, flavorful comforting deliciousness! And Anna made my 5 yr old a plate of delicious chicken fingers & seasoned shoe-string fries. Every bite was amazing! Generous portions for reasonable prices for gorgeously plated, fine dining cuisine! Can't wait to come back thousands more times!! read more

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The food, atmosphere and staff were amazing! Will definitely be going again! The owner was engaging and met with every table. The food was perfect and authentic. I highly recommend this place! read more

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A true culinary oasis in the Covid desert. Food was unique and creative, fresh and quite flavorful. I think they use a lot of lemon there, typical Greek, and it really brightens up the food. Their eggplant offerings (one appetizer, one entree) were standouts. The dining room is spacious, it's not noisy, and the service was attentive and, what is unique these days, competent. A real pleasure, one of our best dining experiences this year. I think we'd be here weekly if we lived closer. read more

I'm from the Portland area where an exceptional restaurant and good food aren't hard to find. However I grew up in the Waterville area know a restaurant like Opa is what this town needs. Ambiance: almost there! A few simple touches would go a long way, small glass bottles of flowers on the table would be a nice touch- and candles, def need candles. Also there one wall that needs something- art, a mirror.. anything... and dim the lights near the bar at night- too bright! Food: I'm not holding Opa to Portland standards bc that wouldn't be fair. BUT! The spanakopita was great, and both of our entrees: we cleaned our plates. My husband was really looking forward to the lamb shank which apparently is only on the menu in the winter, but should be year round in our opinion. Again this is a great add for Waterville- nice to see something different for a change on good ol'Main Street. The Colby parents should eat this place up. read more

Best spinach pies and grape leaves ever! Meatballs, amazing as well. Service and quality of food, excellent.

My husband and I had a delicious lunch today at Opa. Authentic and creative greek food. The staff was excellent and friendly. Amazing chef! Check them out soon! read more

Excellent service, delicious and authentic food. Great wine and beer list. A little expensive for lunch but very good nonetheless.

Service was good and the food was delicious, if I visit family in Maine again and it's still open I'll return to eat there again .

After 8 months living in Waterville I finally tried Opa. Was not disappointed. First I was pleasantly surprised by the decor and the overall vibe of the place, trendy, modern and super relaxed. Our server was really friendly. Service went as it should, water for the table first, then bread and olives and olive oil, drinks, came right away. We ordered several small plates to share, everything was delicious, nice portions. My favorite was the calamari. Interesting menu, great drinks menu and a specials board. It was just a good experience all around. read more

The food was decent, but overpriced. Maybe I could have reconciled that except the service had a haughty attitude. If you don't like people, why take a job waiting tables? There are other choices. The feta has cow's milk (meaning it's not actually Greek). I was checking because of a food sensitivity. Considering the prices though, they should be able to afford authenticity. read more

Grew up with a Greek family. This is the real deal! BEST Greek restaurant I have ever been to anywhere in the country. Price reasonable for what you get. Everything seems home made. read more

Top notch service and knowledge of the menu. Amazing menu choices, cannot wait to try them all!

What an amazing restaurant and staff We have been in town on/off for the last few months and OPA has become our regular spot Besides the wonderful staff the food is absolutely delicious The Lamb Shank and the Goat Ragu are just amazing - the calamari app is absolutely mouth watering I would send anyone here anytime and will continue to keep going back on my future trips to the area read more

Very busy the night we had dinner there, Gyro was good, could have used more Tzatziki sauce, wife had the Carbonara which was also good. A common issue was they needed more wait staff. I plan to eat there again so should you! read more

A very nice surprise. Nice pour on my wine. Bread with olives for the table...well just yum. I had the chicken souvlaki and it was very tasty with nice salad and veggie sides. Appealing presentation. I am only in the area for a few days but I am quite sure I will be coming back tomorrow. read more

Great Greek food! Very fresh with lovely ambience. You can dine well and actually hear the person you're dining with. The best kept secret in Waterville. read more

Wow, the food was amazing. I got moussaka, spicy feta dip. My husband got the chicken skewers. We got the orange cake for desert. Everything was obviously homemade. Everything was perfectly seasoned, flavored and cooked. The service was impeccable. Our waitress was wonderfully sweet. read more

What a wonderful experience! Food was fresh and lite and flavorful. We chose some small plates for our table to share, the calamari is amazing as is the Greek salad. The staff was attentive and friendly. The chef even made my daughter a small version of the watermelon salad when she expressed interest and came out to get her views on it (pretty exciting for an 8 year old!) We will be back! read more

Stopped in after work. Absolutely great wait staff! The appetizers were fabulous, warm and delicious. The drinks were spot on, except they didn't have any Crown Royal. The main course was great! So many choices that you can't go wrong! Highly recommend!!! read more

Food was delicious and wait staff very pleasant!!