Decameron Aquarium: sargassum, weather & water today

Sargassum season at Decameron Aquarium

Sargassum risk at Decameron Aquarium typically peaks around June (low in a typical year). Lowest-risk months: January, February, March, April, May, June, July, August, September, October, November, December. Actual landings vary a lot by year, wind and currents; check the live conditions above.

Typical-year risk from the published seasonality of the Great Atlantic Sargassum Belt × this beach's exposure (30%). Beach faces 90°; onshore winds from that direction push seaweed ashore.

Cleanup & barriers

Offshore barriers

None.

Public cleanup

Coralina (environmental authority) and municipality clean Spratt Bight.

Resort crews

Decameron properties rake daily.

Typical clearing time

East-shore landings cleared within a day or two.

Safety notes

US State Dept: Colombia, Level 3 (verify; islands generally lower risk)

• Tourist card fee required on arrival
• Providencia still rebuilding after Hurricane Iota (2020)
• Scooter/golf-cart accidents common

Check official advisories and local flags before swimming. Decomposing sargassum releases hydrogen sulfide; avoid heavy piles.

Things to do near San Andrés, CO

• Johnny Cay
• Acuario & Haynes Cay
• Seven-color lagoon (Mar de Siete Colores)
• Crab Cay (Providencia)
• Hoyo Soplador

Fly in for the best beach days

Suggested dates fall in November, typically the lowest-seaweed month ahead for Decameron Aquarium. Change them to match the live forecast above.

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Nearest airports

• Gustavo Rojas Pinilla Intl (San Andrés) (ADZ), ~3 km

Nearby resorts

• Decameron Isleño San Andrés, CO · 3 km
• Decameron Marazul San Andrés, CO · 4 km
• Providencia Beach Lodges Providencia, CO · 94 km
• Yemaya Island Hideaway Little Corn Island, NI · 142 km
• Big Corn Island Beach Resorts Big Corn Island, NI · 153 km
• Tortuguero Lodges (Pachira, Mawamba) Tortuguero, CR · 298 km