
The Rhum House is an oceanfront eatery overlooking the beach and flats of Grassy Key. Tucked behind The Grassy Key Land and Sea Market, its own butcher shop and fishhouse the restaurant features the highest quality meats and seafood in the Florida Keys, cut fresh daily. Refined but approachable with a focus on sustainability, quality ingredients, great libations and a solid vibe
Address and Contact Information
Address: of Grassy Flats Resort, 58182 Overseas Hwy 1st Floor, Marathon, FL 33050
Phone: (305) 743-5686
Website: https://www.therhumhouse.com/
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Reviews
We started light with the rooftop patio for finger food and a couple drinks one evening. We were served by Ryan and she was fantastic. Snacks were so good we made a reservation in the restaurant for the next evening. The Rhum house did not disappoint. Alex was phenomenal. We discussed my needs and got it all figured out. The food, service and ambiance were all excellent. 11 out of 10.
We’ve been renting a vacation house next to the resort for a long time. Through our visits we’ve watched the continued repairs/renovations/progression over the years and can’t speak enough to the good we see at this place. We’re just sorry we didn’t come to eat sooner. We know better now.
Ps. Ryan’s Margarita was the real winner.
My experience was an absolute 5 star! The chef suggested my wahoo to be blackened and as I have had this so many times (my favorite fish) it literally was the best I have had… my other half had the filet with the bearnaise and boy, cooked absolutely perfect… we also had the Brussel sprouts… again, just one of the best flavors I have experienced.
Even my expression martini was extremely well made.
For those 1 stars I just think something else was at hand… this was an amazing experience
Even our wonderful waitress doted on us amongst the multiple guests she had.
My compliments to the chef and his entire staff… we are here all the time (part time locals) and can’t wait to return.
Worth the travel and the reservations.
The view is also just amazing.
I’d recommend this to everyone who comes to marathon or even any close by islands…
We ordered the tuna and beef tartares; both were incredibly fresh, though a touch more seasoning on the beef would have made it perfect. The true highlight, however, was the Angus burger with mushroom and blue cheese cream—it was absolute melt-in-your-mouth perfection. With a great selection of beer and wine and a breezy, nature-filled atmosphere, this spot is a gem. Highly recommended, and we will definitely be back!
The menu itself felt limited with very few options to choose from. In total, we ordered three starters, three main dishes, and five drinks, which came to $440. For the quality, it did not feel like a good value. While the ambiance is lovely, I would suggest improvements in the food quality and menu variety.
Our server, Max, was fantastic. She’s friendly, professional and took care of us wonderfully. We ordered the ribeye special and it was cooked perfectly, medium rare as ordered.
This was our 6th time dining here over the past few years, both before and after the menu change. We’ve never been disappointed with our food, and love the new menu.
We’ll be back!
We weren’t really thrilled with the cocktail menu, but we each ordered something and altho tasty, very weak in the alcohol category. $19 bushwhacker tasted like a mocktail.
On the evening of the event, the entire team was attentive, kind, and genuinely welcoming, making each of our guests feel special and well taken care of. We began with a cocktail hour on the Palm Deck, followed by a plated dinner downstairs in the restaurant. The appetizers during cocktail hour were excellent, and the meal itself was nothing short of incredible—fresh, creative, and beautifully prepared dishes that everyone thoroughly enjoyed.
The atmosphere is unmatched, thoughtfully designed, and truly unique for the Keys. Our group of 50 locals loved every minute of it. Thank you for making our Christmas party so memorable and special. We will absolutely be planning to return next year.