1 Colonial Mast Rd
Naples, ME 04055
For more information on this listing, contact us at: (207) 272-2202
Active
$9,800,000
1 Colonial Mast Rd Naples, ME 04055
Single Family Residence
Property Type
4
Beds
1
Baths
11,154
Sq. Ft.
1930
Year Built
Cumberland
County
Listing Office
Office
Oberg Insurance & Real Estate Agency, Inc.
Oberg Insurance & Real Estate Agency, Inc.
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 envisioned as a continued campground operation, a large-scale residential development, a luxury waterfront community, or an extraordinary private family compound, the possibilities are unmatched. Enjoy direct access to 11 miles of boating and recreation on Long Lake, with navigable access to Brandy Pond and Sebago Lake. Ideally located in the heart of Maine's Lakes Region, the property is just minutes from the Naples Causeway, 15 minutes to Pleasant Mountain Ski Resort, and only 45 minutes from Portland. Opportunities of this scale, with this amount of waterfront, acreage, infrastructure, and development potential, rarely come to market. Own one of the largest and most significant waterfront properties in the Lakes Region to hit the open market.
MLS #
1668548
Monthly HOA
N/A
On Site
Not Available
Last Updated
8/20/2026
Location
Contact Agent
Maureen Zemrak
(207) 272-2202Property Details
Community Information
Architecture
Bedrooms
4
Bathrooms
1
Year Built
1930
Style
Cape Cod, Cottage
Construction Materials
Wood Frame, Vinyl Siding
Roof
Metal
Foundation
Pillar/Post/Pier
Garage Spaces
4
Parking Features
Gravel, 21+ Spaces, Detached
Garages Features
4+ Car, Detached
Features / Amenities
Fireplaces Total
1
Flooring
Carpet, Tile, Hardwood
Other Structures
Outbuilding
Heating
Electric, Gas Bottled, K-1/Kerosene, Wood, Forced Air, Wood Stove
Water Heater
Electric
Total Rooms
10
Square Footage Finished Sq. Ft.
Above Grade
11154
Property Features
Lot Size
117 Acres
Lot Features
Near Country Club, Near Golf Course, Near Shopping, Near Town, Ski Resort, Level, Landscaped, Wooded
Waterfront Features
Boat Slip, Dock, Lake/Fresh Water
View
Scenic, Trees/Woods
Water Body
Long Lake & Tingley Brook
Roads
Dead End, Gravel, Paved, Private Road, Public
Water Body Type
Brook, Lake
Water View
Yes
Waterfront Owned +/-
2500.0
Waterfront Shared +/-
0.0
Sewer
Private Sewer, Septic Tank
Water
Private, Well
Electric
Circuit Breakers
Gas
Bottled
Road Frontage
Private Road
Road Surface
Gravel, Paved
Zoning
Shoreland
Directions
GPS to Colonial Mast Campground
Tax and Financial Info
Tax Year
2025
Rooms
| Level | |
| Bedroom 3 | Second |
| Bedroom 5 | Second |
| Bedroom 1 | First |
| Kitchen | First |
| Bedroom 2 | First |
| Laundry | First |
| Bedroom 4 | Second |
| Living Room | First |
| Office | First |
| Mud Room | First |
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Listing Information Last Updated 8/20/2026

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.
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Mortgage values are calculated by Sierra Interactive and are provided for estimate purposes only. Walking and Transportation data are provided by WalkScore as a guideline and should be independently verified.