# Keystone Montana 3813MS

> Rear living, walk through bath, walk-in closet

Montana 3813MS is a fifth wheel floor plan by Keystone.

## Specs (2023 model year)

| Spec | Value |
| --- | --- |
| Length | 40 ft 9 in |
| Sleeps | 4 |
| Slide-outs | 3 |
| Dry weight | 13,857 lbs |
| GVWR | 16,677 lbs |

## Model years

2023, 2022, 2021. Year-specific specs: `https://rvenvy.com/fifth-wheel-trailers/keystone/montana/3813ms?year={year}`

## Overview

The Keystone Montana 3813MS puts the master suite up front where road noise is lowest, wrapping a King bed with a dual-entry walk-through bathroom and a walk-in closet that full-timers routinely call out as a genuine highlight. The rear living area feels like a separate space from the bedroom, anchored by a kitchen island and a 5,000 BTU decorative fireplace that makes the room feel residential rather than camper-like. Washer/dryer prep and standard SolarFlex 200 solar round out a feature set aimed squarely at extended or full-time use. The Montana line has a strong reputation for livable floorplans, and the 3813MS is one of the cleaner executions of the rear-living concept in this class.

## We like

- Walk through bathroom
- Large walk-in closet
- Elevated living space

## Things to consider

- Fragile penant lights
- Limited bathroom storage
- Limited living area storage

## Floor plan tags

walk-thru bath, walk-in closet, front bedroom, rear living area

## Inventory

19 units currently for sale priced $39,980 to $66,495: https://rvenvy.com/fifth-wheel-trailers/keystone/montana/3813ms/inventory

Floor plan diagram: https://images.rvenvy.com/81f5ae0b1cd501d8082d2dc73ef65890e93992c903e27e60a32c3444e85caff9/1024.webp

Canonical page: https://rvenvy.com/fifth-wheel-trailers/keystone/montana/3813ms