Lake trip · Polk County, Florida
Where to stay at Lake Mariam
Lake Mariam covers - in Polk County and carries a water-quality grade of C (Fair). Compare cabins, resorts, and vacation rentals below. The grade measures nutrients and algae — it is not a stay-or-skip rating. Late spring through early fall, with June through August the peak season for swimming, boating, and fishing.
Places to stay near Lake Mariam
Cabins, resorts, hotels, and vacation rentals near Lake Mariam in Polk County, Florida — live availability and prices. Add your dates to see totals.
Top-rated places to stay near Lake Mariam
Prices for Sep 11–13, 4 adults. Change dates on the map below.
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
About the water
Lake Mariam grades C for nutrients and algae — Fair. Generally safe for swimming, moderate water quality. Water clarity is about 1.6 ft of visibility. The letter is not a reason to skip cabins and rentals around the lake.
Best time to visit
Late spring through early fall, with June through August the peak season for swimming, boating, and fishing.
Check the National Weather Service forecast for Lake Mariam →
About Lake Mariam
Camping & RV near Lake Mariam
Search public campgrounds and RV sites near Lake Mariam on Recreation.gov, then compare cabins, resorts, and rentals on the map above.
Common questions
Frequently Asked Questions
Cabins, resorts, and vacation rentals around Lake Mariam in Polk County, Florida are on the map above with live availability and nightly prices. Waterfront rentals put you on the dock; lodging in the nearest town is usually cheaper with more choice.
Lake Mariam has a water quality grade of C (Fair). Generally safe for swimming, moderate water quality. Always check local health-department advisories before swimming.
Late spring through early fall, with June through August the peak season for swimming, boating, and fishing.
Explore Lake Mariam
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LakeQuality Lake Trip Planner (2026)
Free trip-planning guide for Lake Mariam: how to pick a clean lake, the water-quality signals that matter, best swimming and fishing windows, and where to stay.
Lodging availability and prices are provided by Stay22 and its booking partners (Booking.com, Vrbo, Expedia); LakeQuality may earn a commission from bookings at no extra cost to you. Water-quality grades are independent of lodging listings. Always check current health-department advisories and managing-agency conditions before you travel.