Natural swimming hole

Martinez Lake

Lake · Arizona

Community-reported spot. Details below are compiled from public sources and are reported to be accurate — always verify locally before visiting.

About this swimming hole

A river-lake on the Colorado near Yuma with a resort, marina, and warm swimming water. Martinez Lake's sheltered coves are calm and family-friendly. It is Yuma County's most developed lake swim.

Good to know

Water typeLake
Water temperature70s-80s summer
Depthswim near shore
Best seasonMarch-October
FeesFree; resort fees for amenities
Reservations requiredNo
Hourssunrise-sunset
ParkingResort and public lots
Amenitiesrestrooms, picnic tables
CountyYuma County
Nearest townYuma
Safety notesNo lifeguard; boat traffic

Map

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Frequently asked questions

Can you swim in Martinez Lake?

Yes — Martinez Lake is listed as a natural swimming spot in Arizona. Reported water temperature: 70s-80s summer. Heads-up: No lifeguard; boat traffic. There are rarely lifeguards at natural swimming holes — verify conditions locally before you go.

Does Martinez Lake require reservations?

No reservations are required at Martinez Lake based on current information — but verify before you go.

Is there a fee to visit Martinez Lake?

Reported fee info: Free; resort fees for amenities. Fees can change — confirm with the official link.

When is the best time to visit Martinez Lake?

The best season is typically March-October.

Keep exploring

Verify before you go. Conditions, fees, reservations, and access can change — confirm details with the official link before visiting. Last verified: September 2026