Cheap flights from Grassy Key

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Cheap round-trip flights from Grassy Key

The lowest prices found within the past 7 days from Grassy Key to were €64 for one-way flights and €180 for return flights, for the period specified. Prices and availability are subject to change. Additional terms apply.

Grassy Key Flight Information
Origin airport IATA code
MIA
Return price
€384

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Featured Hotels near Grassy Key

Grassy Flats Resort & Beach Club

Grassy Flats Resort & Beach Club

2.5 out of 5
58182 Overseas Hwy Marathon FL
The price is €363 per night from 4 Feb to 5 Feb
€363
4 Feb - 5 Feb
includes taxes & fees
Our customers tell us that they can't get enough of the helpful staff at Grassy Flats Resort & Beach Club. During your stay, you're just a quick walk from Coco Plum Beach. Free WiFi in public areas, free self-parking and 2 outdoor pools are available.
9.4/10 Exceptional! (386 reviews)
Exceptional services.

Reviewed on 1 Feb 2026

Opens in a new windowGrassy Flats Resort & Beach Club
Isla Bella Beach Resort & Spa

Isla Bella Beach Resort & Spa

5 out of 5
1 Knights Key Boulevard Marathon FL
The price is €327 per night from 4 Feb to 5 Feb
€327
4 Feb - 5 Feb
includes taxes & fees
Our customers tell us they can't get enough of Isla Bella Beach Resort & Spa's great location. During your stay, you're just a quick walk from Vaca Key. Enjoy features like free WiFi in public areas, plus 5 outdoor pools and 2 bars.
9/10 Wonderful! (1,082 reviews)
Perfection

Reviewed on 29 Jan 2026

Opens in a new windowIsla Bella Beach Resort & Spa
The Nautilus on the Ocean in Grassy Key 4 bed 3 bath with private pool, Hot Tub and oceanfront, 2 kayaks included

The Nautilus on the Ocean in Grassy Key 4 bed 3 bath with private pool, Hot Tub and oceanfront, 2 kayaks included

Marathon FL
During your stay at this holiday home, you're just a quick walk from Coco Plum Beach. An outdoor pool and laundry facilities are available. The holiday home includes amenities such as free WiFi and a private pool.
8.6/10 Excellent! (6 reviews)
Such a Fun Trip!!
We had the best time in Marathon! The house was, clean, cozy and comfortable and the AC worked great! We loved the spacious areas for hanging out downstairs and the pool and hot tub were wonderful!!!!

Reviewed on 24 Jul 2025

Opens in a new windowThe Nautilus on the Ocean in Grassy Key 4 bed 3 bath with private pool, Hot Tub and oceanfront, 2 kayaks included
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Gulf View Waterfront Resort

Gulf View Waterfront Resort

2.5 out of 5
58743 OVERSEAS HWY Marathon FL
Our customers tell us that they can't get enough of the helpful staff at Gulf View Waterfront Resort. During your stay, you're just a quick walk from Coco Plum Beach. Enjoy features like free WiFi in public areas and free self-parking, plus an outdoor pool. This property offers pet-friendly amenities, such as an off-lead area.
8.4/10 Very Good! (547 reviews)
Easy checkin online. Easy access to unit. Very clean. A lot of great amenities on the property that we didnt get to use due to weather.

Reviewed on 30 Jan 2026

Opens in a new windowGulf View Waterfront Resort
Rainbow Bend Resort

Rainbow Bend Resort

2.5 out of 5
57784 Overseas Hwy Marathon FL
The price is €182 per night from 5 Feb to 6 Feb
€182
5 Feb - 6 Feb
includes taxes & fees
Rainbow Bend Resort's great beach location gets high marks from our customers. During your stay, you'll be within walking distance of Crawl Key. Features include an outdoor pool, a restaurant and 1 hot tub.
8/10 Very Good! (831 reviews)
Everything was great!

Reviewed on 29 Jan 2026

Opens in a new windowRainbow Bend Resort
Hawks Cay Resort

Hawks Cay Resort

4 out of 5
61 Hawks Cay Blvd Marathon FL
The price is €349 per night from 4 Feb to 5 Feb
€349
4 Feb - 5 Feb
includes taxes & fees
Our customers tell us that they can't get enough of the pool at Hawks Cay Resort. During your stay, you'll be close to Little Conch Key. Enjoy features like free WiFi in public areas, plus 5 outdoor pools and 4 restaurants.
8/10 Very Good! (1,000 reviews)
Great atmosphe

Reviewed on 27 Jan 2026

Opens in a new windowHawks Cay Resort
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Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.