1 Colonial Mast Road, Naples, ME 04055

$9,800,000
Property Type: Residential Bedrooms: 4 Baths: 1 Square Footage: 11,154 Lot Size (sq. ft.): 5,096,520 Status: Active
Current Price: $9,800,000 List Date: 6/23/2026 Last Modified: 8/20/2026

Overview

Description

A truly rare offering, this 117± acre waterfront estate presents a once-in-a-generation opportunity on the shores of Maine's highly sought-after Long Lake. Currently operated as the family-owned Colonial Mast Campground for 48 years, the property boasts more than 2,500 feet of pristine waterfront, expansive sandy beaches, and an extensive docking system with 72 boat slips. Licensed for 110 RV campsites, including some year-round sites, the property features an impressive collection of existing infrastructure, including an indoor pool facility, camp store with commercial kitchen, recreation hall, bathhouse, garages, and a waterfront owner's residence. Many of these structures are grandfathered within the shoreland zone, creating significant value and flexibility that would be difficult to replicate today. With over 7,000 feet of combined road frontage along Kansas Road, Bove Road, and Colonial Mast Road, this property offers exceptional access and development potential. Whether envisio ...

Listing Details MLS# 1668548

Property Sub-Type

Property Sub-Type
Single Family Residence

Location Information

Street #
Yes
Street Name
Colonial Mast
Street Type
Road
County
Cumberland
Town
Naples
State/Province
ME
Zip Code
04055
Leased Land
No
Book
33374&23935
Page
130&181
Map
R03&U40
Lot
51&10
Zoning
Shoreland
Zoning Overlay
Yes
Association
No
Full Tax Amount $
36284
Tax Year
2025
Tree Growth Y/N
Yes

Contract Information

Original List Price
10200000

Property Information

Surveyed
Yes
Seasonal
No
# Rooms
10
# Bedrooms
4
# Fireplaces
Yes
Total Full Baths
Yes
Total Baths
Yes
Year Built
1930
SqFt Finished Above Grade
11154
SqFt Finished Total
11154
SqFt Source
Public Records
Garage
Yes
Garage Spaces
4
Lot Size Acres +/-
117
Source of Acreage
Public Records

Water Info

Waterfront
Yes
Waterfront Amount
2500
Water Frontage Owned
2500
Water View
Yes
Water Body Name
Long Lake & Tingley Brook

More Information

Bedroom 1

Bedroom 1
Yes
Bedroom 1 Level
First

Bedroom 2

Bedroom 2
Yes
Bedroom 2 Level
First

Bedroom 3

Bedroom 3
Yes
Bedroom 3 Level
Second

Bedroom 4

Bedroom 4
Yes
Bedroom 4 Level
Second

Bedroom 5

Bedroom 5
Yes
Bedroom 5 Level
Second

Kitchen

Kitchen
Yes
Kitchen Level
First

Laundry Room

Laundry
Yes
Laundry Room Level
First

Living Room

Living Room
Yes
Living Room Level
First

Mud Room

Mud Room
Yes
Mud Room Level
First

Office

Office
Yes
Office Level
First

Property Features

Site: Level; Well Landscaped; Wooded Location: Near Country Club; Near Golf Course; Near Shopping; Near Town; Ski Resort Roads: Dead End; Gravel; Paved; Private Road; Public Source of Water Frontage: Seller Water Body Type: Brook; Lake Recreational Water: Boat Slip; Dock; Lake/Fresh Water View: Scenic; Trees/Woods Style: Cape Cod; Cottage Construction: Wood Frame Basement: None Basement Entry: Not Applicable Foundation Materials: Pillar/Post/Pier Roof: Metal Exterior: Vinyl Siding Heat System: Forced Air; Wood Stove Heat Fuel: Gas Bottled; K-1/Kerosene; Wood Water Heater: Electric Cooling: None Floors: Carpet; Hardwood; Tile Driveway: Gravel Parking: 21+ Spaces Vehicle Storage: 4+ Car; Detached Other Structures: Outbuilding Electric: Circuit Breakers Gas: Bottled Sewer: Private Sewer; Septic Tank Water: Private; Well

Room Information

Room Name Level
Kitchen First
Living Room First
Mud Room First
Bedroom 1 First
Laundry First
Bedroom 2 First
Office First
Bedroom 3 Second
Bedroom 4 Second
Bedroom 5 Second
IDX
Listing Office: Oberg Insurance & Real Estate Agency, Inc.
Last Updated: August - 20 - 2026
Listing data is derived in whole or in part from the Maine IDX and is for consumers' personal, noncommercial use only. Dimensions are approximate and not guaranteed. All data should be independently verified. Copyright ©2026 Maine Real Estate Information System, Inc. All Rights Reserved. Equal Housing Opportunity.