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LakeFreshwaterSource Checked

NBM Dive Site Resource

Square Lake

Stillwater, Minnesota, United States

A clear Washington County lake that draws Twin Cities-area scuba divers and training groups.

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Historic Picture Placeholder

Old-fashioned maritime line drawing reserved for a future historic photograph
Historic Picture PlaceholderHistoric photograph pending research and rights review
WaterFreshwater
AccessPublic county park
ExperienceOpen water and training dives
Maximum depthAbout 68 ft / 21 m
Best seasonYear-round park access; main dive season spring through fall
VisibilityGenerally clear for the region; variable

Aquatic life at this dive site

What divers may encounter

Three reviewed connections are featured here. Sightings vary by season, conditions, and chance, so they are never guaranteed.

Northern Pike (Esox lucius) — photograph
Regular clear-water encounter

Northern Pike

Esox lucius

Minnesota DNR reports northern pike at average abundance in Square Lake, including some very large fish. Divers may encounter them near vegetation edges or suspended beside cover.

Jik jik

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Bluegill (Lepomis macrochirus) — photograph
Regular vegetation-edge encounter

Bluegill

Lepomis macrochirus

Minnesota DNR reports bluegill at average abundance and notes larger fish along the outside edge of vegetation in summer, a useful habitat cue for divers.

USFWS Mountain Prairie

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Largemouth Bass (Micropterus salmoides) — photograph
Possible structure encounter

Largemouth Bass

Micropterus salmoides

Minnesota DNR lists largemouth bass at below-average abundance in Square Lake. Sightings are possible near vegetation and structure but should not be expected on every dive.

USFWS Mountain Prairie

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Site media

Photographs

Three views rotate from the published gallery on each visit.
Illustrated scuba diver reserved for a future dive-site photograph
Dive Photograph PlaceholderDive-site photograph pending
Illustrated scuba diver reserved for a future dive-site photograph
Dive Photograph PlaceholderDive-site photograph pending
Illustrated scuba diver reserved for a future dive-site photograph
Dive Photograph PlaceholderDive-site photograph pending

Contributor media

Dive videos

Three featured video positions are reserved on every profile.
Dive-site video pending
Dive-site video pending
Dive-site video pending

Published reference location

Location map

The marker shows the public coordinates associated with this profile. Confirm current access, moorings, and departure details before the dive.
Published reference coordinates45.15439, -92.79474
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Map zoom level 6 of 11

Map data © OpenStreetMap contributors

Recent field observations

Diver-reported temperatures

Automatically checked observations from dives during the past 14 days. Three reports are visible at a time; scroll for more.
Automatically checked
No recent diver reports from the past 14 days

A report that passes the automatic checks will appear here with the dive date, diver’s display name, and temperatures at each depth.

Reports are automatically checked for plausible dates, depths, and temperatures. They are observations, not forecasts; confirm conditions before diving.

Diver field observation

Report temperatures

Reports publish automatically when the date, depths, and temperatures pass the checks. You must be signed in to submit.

Depth readings

Why divers know this place

Highlights

Outstanding east-metro water quality, freshwater fish, and accessible park shoreline.

Before you arrive

Access notes

A vehicle permit is required. Scuba instruction requires a special-use permit; confirm legal entry and current county rules.

Plan within your training

Conditions and hazards

Cold water, thermocline, boat traffic, fishing lines, and shared beach/launch use.

At the site

Facilities and support

Parking, restrooms, beach, fishing pier, picnic area, and boat launch.

Independent resource notice

This record is a starting point for independent verification. Access, closures, moorings, weather, currents, depth, visibility, operator availability, and site conditions can change without notice. Confirm current information with the responsible operator, property owner, managing authority, or another qualified local source before planning or attempting a dive.