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A Crawford Notch Fantrip in 1968 - 6 Photos (26662146676).jpg

railfan 44 · Public domain · Wikimedia Commons

Lakes → Maine → Sebago Lake

Sebago Lake

Maine · Natural · near Naples

28,771 acres 316 ft deep 30 ft clarity Water A

Compare

7.3SCORE

Survey summary · Maine

28,771

Surface acres

316 ft

Max depth

105 mi

Shoreline

30 ft

Typical clarity

267 ft

Elevation

Photographs of Sebago Lake via Wikimedia Commons. Credit and licence on each image — hover to view, click through to the source.

Sebago Lake covers 28,771 acres in Maine and drops to 316 feet at its deepest point. It is a natural lake, which generally means a more stable shoreline and fewer drawdown surprises than an impoundment. Level is unusually stable, which protects dock usability and shoreline appearance year round. Water clarity averages around 30 feet, placing it among the clearer bodies of water in the country. Short-term rental posture: Town by town. Confirm at the municipal level before underwriting rental income.

What stands out

Exceptional clarity, roughly 30 ft
Very stable water level year-round
Deep water — 316 ft max
Boating
Fishing

Score breakdown

Water 9.0

Recreation 7.2

Value 6.3

Access 7.3

Investment 6.2

Each axis is computed by published formula from this lake's own attributes. How we score.

Water quality grade

Water A

ExcellentClear, low-nutrient water. Typically oligotrophic with high clarity and little seasonal algae.

Water B

GoodHealthy water with moderate clarity. Some seasonal variation, no persistent problems.

Water C

FairProductive water — good fishing, reduced clarity. Algae possible in late summer.

Water D

PoorNutrient-rich or heavily drawn down. Swimmable conditions vary; check before you rely on them.

Computed from measured clarity, trophic state, and drawdown magnitude — not an opinion. See the formula.

Overall score, 1–10

8.0+

ExceptionalStrong on every axis we measure.

7.0–7.9

StrongClearly above average, usually with one standout axis.

6.0–6.9

SolidA good lake with a trade-off worth understanding.

5.0–5.9

MixedReal strengths and real compromises.

Under 5

CompromisedSomething material — volatility, water quality, or access.

Weighted: water 26% · recreation 22% · investment 20% · value 18% · access 14%.

Fishery

Landlocked salmonLake troutSmallmouth bassBrook trout

On the water

BoatingFishingSwimmingSailing

Live from USGS gauge 01064118. These are direct sensor readings, not estimates.

3.07 ft

Gage height

2022-08-01 · 1465 days old

Gauge history

Daily values from USGS. Loading up to one year.

Where it is

True shoreline from USGS NHD 124 km²

The outline is this lake's actual boundary from the USGS National Hydrography Dataset, not an approximation — 666 boundary points. Basemap is USGS topographic with contours and hydrography. Switch layers at the top right.

Depth profile

Idealized cross-section. Max depth 316 ft, average 101 ft. Depth at a specific dock depends on local bathymetry — verify at the property.

Level behaviour

Level stabilityStable Typical drawdown3 ft Drawdown seasonAutumn Trophic stateOligotrophic Typical clarity30 ft Water quality gradeA Elevation267 ft Managing authorityPortland Water District

Dock & shoreline

Permitting authorityMaine DEP Wake / speed rulesHeadway speed within 200ft

A dock is never guaranteed. Confirm in writing with Maine DEP that the specific parcel is eligible before you remove contingencies.

Short-term rental posture

Town by town

Generally permitted, but rules change. Confirm the specific municipality and any HOA covenant.

Model rental income →

Modeled estimates. Market figures are derived from lake attributes and regional patterns, not from MLS data. Treat them as a starting point, not a comp.

$875,000

Median waterfront

$1,541

Per shoreline foot

-2.2%

Year over year

141

Est. inventory

Avg days on market

$863

Est. nightly rate

Rental snapshot

Modeled occupancy51% Booked nights / yr134 Gross revenue$123,415 Net operating income$64,007 Yield on median price7.32%

Open the full model →

What a median-priced home on Sebago Lake actually costs to carry, with waterfront-specific line items most calculators omit.

$7,046

All-in per month

$199,250

Cash to close + setup

$16,365

Beyond P&I, tax, insurance

Where the annual cost goes

Principal & interest $55,322 (67%) Maintenance reserve (1.1%) $9,625 (12%) Property taxes $9,188 (11%) Hazard insurance $3,675 (4%) Utilities $2,700 (3%) Shoreline / seawall reserve $960 (1%) Dock maintenance $900 (1%) Winterization / seasonal close $750 (1%)

Annual carry

Principal & interest	$55,322
Property taxes	$9,188
Hazard insurance	$3,675
Flood insurance	$650
Utilities	$2,700
Maintenance reserve (1.1%)	$9,625
Septic service	$520
Well & water testing	$260
Dock maintenance	$900
Winterization / seasonal close	$750
Shoreline / seawall reserve	$960
Total	$84,550

Model your own numbers →

3.5 / 5 from 2 reviews

Depends heavily on your cove

Steve & Kate P. · Owner on the lake · Summer 2026

3/5

Main channel is fantastic. Some of the back coves get shallow and mucky by late summer. Walk the actual shoreline before you commit, not just the listing photos.

Great water, know the drawdown

R. Castellanos · Owner on the lake · Fall 2025

4/5

Beautiful clear water and the fishing is genuinely good. Be aware the level drops in the fall and our dock needed a longer walkway than we budgeted for. Not a dealbreaker, just plan for it.