Isla Bella Beach Resort

Name: Isla Bella Beach Resort
Address: 1 Knights Key Blvd, Marathon, FL 33050, Florida, United States
Telephone: +18004051948
Price range: $215–$1,982
Rating: 4.4

1 Knights Key Blvd, Marathon, FL 33050

Condé Nast Readers' Choice '25

Google 4.4

Overall 68

Lowest upcoming

$215

10 Sep 2026

Highest upcoming

$1,982

2 Jan 2027

Median nightly

$396

across 365 upcoming days

Cheapest week

8 to 14 Sep

35% below annual median

Daily price line

Next 365 nights

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Cheapest week ahead: 8–14 Sep 2026 at $259/night (35% below median)

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Review

Synthesized from Condé Nast Traveler

Condé Nast Readers' Choice 2025 · 2024 · 2023 · 2021

Character and identity

Set on Knights Key in Marathon, roughly midway between Miami and Key West, Isla Bella trades the usual Keys idiom for something closer to the Aegean: whitewashed, Greek-inspired architecture with blue and white interiors that feel curated rather than themed. The 199 rooms all face the ocean, and the footprint is generous, with a nearly mile-long private beach, five outdoor pools, a marina and a sizeable spa. Dining runs from a grab-and-go Marketplace to the Beach Bar for seafood and cocktails, plus Mahina, a Hawaiian-leaning restaurant with water views. The register is upscale but unstuffy.

Who's it for

Best for:
Couples and families who want a polished, design-literate beach resort without flying to Europe. It suits travellers who value an ocean-view room, multiple pools, a long stretch of sand, and a base for fishing charters and dive trips into the wider Keys, all arranged through the concierge.

Should look elsewhere:
Anyone wanting walkable nightlife, a town scene, or the funky old-Keys character of Key West proper. Budget-watchers should also note that parking sits outside the resort fee at $25 self or $50 valet per day, which adds up on longer stays.

Bottom line

The draw here is the look and the layout: Mediterranean-style design, every room facing the water, and enough beach, pools and dining to keep a family settled in for a week. Book an oceanfront room (they all face the sea, so push for a higher floor), and use the mid-Keys location to day-trip in both directions rather than staying put the whole time.

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