The island's north tip and west shore face the sheltered Bahía de Mujeres, away from the open Caribbean — which is why Playa Norte routinely stays clear when the mainland gets hit.
Is there sargassum in Isla Mujeres right now?
Short answer: Isla Mujeres' north tip and west shore face the sheltered Bahía de Mujeres, away from the open Caribbean — which is why Playa Norte routinely stays clear when the mainland gets hit.
Our index currently rates Isla Mujeres Likely Clear for September (89/100), refreshed September 22, 2026. See the resorts, rated ↓
Current conditions
Our estimate: barely any sargassum this month — typically one of the more reliably clear beaches. Conditions still change day to day, so confirm with the resort.
An estimate modeled from live satellite readings (USF / NOAA AFAI) + 15-year seasonal history + beach orientation · refreshed September 22, 2026. Conditions change daily and many resorts rake their beach each morning — always confirm current conditions with the resort before you travel.
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Resorts in Isla Mujeres, rated
Beaches our model rates clearer this month
These are estimates, not a judgment of any resort — many properties clean their beach daily. If you’d prefer a beach our model rates clearer this month, these score well:
Sargassum in Isla Mujeres: common questions
Does Isla Mujeres get sargassum?
Playa Norte and the west-facing beaches stay clear far more often than the mainland, because they face the sheltered Bahía de Mujeres. The island's east/windward side is the exception.
Is there seaweed on Playa Norte right now?
Usually not — Playa Norte is one of the most reliably clear beaches in the area. Check the live score above for our current estimate.
When is sargassum season on Isla Mujeres?
When the mainland gets hit (May–August), Playa Norte and the west shore usually stay clear; the exposed east side is where any seaweed lands.
Which Isla Mujeres resorts have the clearest beach?
The north-tip and west-facing properties near Playa Norte — such as Mia Reef, Impression Isla Mujeres by Secrets and Zoëtry Villa Rolandi — sit on the island's clearest water.