Household hazardous waste drop-off in Monroe County, Florida
In Monroe County, programs may be called HHW, household chemical waste collection — the listings below use each agency's own name.
7 listings in Cudjoe Key, Key Largo, Key West, Long Key, Marathon, Stock Island. A county site may be open only to residents of that county or of member cities.
Call ahead. Hours, fees, residency rules, appointments and accepted materials change. Check the official page or call before you go. Never mix chemicals, and keep products in their original containers. Every listing links to its official source.
Listings in Monroe County
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Monroe County Cudjoe Key Transfer Station Household Hazardous Waste Drop-Off
Mile Marker 21.5, Blimp Road, Cudjoe Key, FL
Hours: Household hazardous waste: first and third Wednesdays of each month, 10 a.m.–2 p.m. E-waste: Monday through Saturday, 8 a.m.–3:30 p.m.
Source: Monroe County · checked
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Monroe County Key Largo Household Hazardous Waste Drop-Off — Atlantic Avenue
Atlantic Avenue and St. Croix Place, Key Largo, FL
Hours: E-waste and household hazardous waste: second and fourth Wednesdays of each month, 10 a.m.–2 p.m. By the Key Largo Community Park.
Source: Monroe County · checked
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Monroe County Key Largo Transfer Station Household Hazardous Waste Drop-Off
Card Sound Road (County Road 905), Key Largo, FL
Hours: Household hazardous waste by appointment only. E-waste: Monday through Saturday, 8 a.m.–3:30 p.m.
Source: Monroe County · checked
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City of Key West First Saturday Household Hazardous Waste Collection — Indigenous Park
1801 White Street, Key West, FL
Dates: December 5, 2026 · First Saturday of every month, 8 a.m.–noon.
Hours: First Saturday of every month, 8 a.m.–noon. The city’s upcoming-events list includes Saturday, December 5, 2026.
Source: City of Key West · checked
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Monroe County Long Key Transfer Station Household Hazardous Waste Drop-Off
Mile Marker 68, Long Key, FL
Hours: Household hazardous waste: first and third Fridays of each month, 10 a.m.–2 p.m. E-waste: Monday through Saturday, 8 a.m.–3:30 p.m.
Source: Monroe County · checked
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Monroe County Household Hazardous Waste Collection — Marathon Public Works
10600 Aviation Blvd, Marathon, FL
Dates: January 9, 2027 · Also scheduled April 10, July 10 and October 16, 2027, and January 8, 2028, 9 a.m.–1 p.m.
Hours: 9 a.m.–1 p.m. Next printed date: January 9, 2027.
Source: Monroe County · checked
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Monroe County Household Hazardous Waste Collection — Stock Island Bernstein Park
6751 5th Street, Stock Island, FL
Dates: November 14, 2026 · Also scheduled February 13, May 15, August 14 and November 20, 2027, and February 12, 2028, 9 a.m.–1 p.m.
Hours: 9 a.m.–1 p.m. Next printed date: November 14, 2026.
Source: Monroe County · checked