Call Now
(415) 360-1899
Edit Search
You must provide a location
Check In - Check Out
Rooms and Guests
2 Adults, 1 Room
Rooms
1
Adults
2
Children
0
Rooms must be less than number of adults
Children's ages must be provided
50 photos

Residence Inn by Marriott Portsmouth Downtown/ Waterfront

100 Deer Street, Portsmouth, NH

Check In
06/28/2026
Check Out
06/29/2026
Rooms
1
1
2
3
4
5
6
7
8
9
Adults
2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
Children
0
0
1
2
3
4
5
6
7
8
Enter children's ages (infant to 17 years):
Rooms must be less than number of adults
Children's ages must be provided
FIND ROOMS
Check In Date
Check Out Date

Have questions? We're here to help!

(415) 360-1899
Reservations Portal is an independent travel network. Learn More
Reasons to book with ReservationsPortal

As an independent travel network with access to over 100,000 hotels worldwide, we bring you the same great deals you'd find with major travel agencies or booking directly with hotels. By sourcing the best rates from top suppliers, we make it easy to find and book your ideal room. Our platform also features a seamless booking engine for all devices, a strong commitment to privacy, and exceptional customer support—delivering the complete Reservations Portal experience.

Room Options

Best Value!

1 Bedroom, Suite, Accessible

View amenities and details
Check Rates
Room Details
1 Bedroom, Suite, Accessible
Room Facilities
Air Conditioning
Alarm Clock
Cleaning Products
Desk/Workspace
Dishwasher
Ipod Docking Station
Microwave Oven
Refrigerator
Stove
Television
Toaster
Wheel Chair Accessible

Studio, King Bed, Sofa

Check Rates
Room Details
Studio, King Bed, Sofa

Studio, King Bed, Sofa, Accessible

View amenities and details
Check Rates
Room Details
Studio, King Bed, Sofa, Accessible
Room Facilities
Air Conditioning
Alarm Clock
Cleaning Products
Desk/Workspace
Dishwasher
Ipod Docking Station
Microwave Oven
Refrigerator
Stove
Television
Toaster
Wheel Chair Accessible

1 Bedroom, Suite

View amenities and details
Check Rates
Room Details
1 Bedroom, Suite
Room Facilities
Air Conditioning
Alarm Clock
Cleaning Products
Desk/Workspace
Dishwasher
Ipod Docking Station
Microwave Oven
Refrigerator
Stove
Television
Toaster

1 Bedroom, Suite, King Bed, Sofa

Check Rates
Room Details
1 Bedroom, Suite, King Bed, Sofa

1 Bedroom, Suite, King Bed, Sofa, Bathtub, Accessible

Check Rates
Room Details
1 Bedroom, Suite, King Bed, Sofa, Bathtub, Accessible

Room

Check Rates
Room Details
Room

Studio, 1 King Bed With Sofa Bed (Mobility/Hearing Accessible, Tub)

Check Rates
Room Details
Studio, 1 King Bed With Sofa Bed (Mobility/Hearing Accessible, Tub)

Studio, 1 King Bed With Sofa Bed (Mobility/Hearing Access, Roll-In Shwr)

Check Rates
Room Details
Studio, 1 King Bed With Sofa Bed (Mobility/Hearing Access, Roll-In Shwr)
Cancellation Rules
Limited Availability

Inventory is based on real-time data provided by our supply partners. Availability is strictly limited to the allotment provided to us and is subject to change.

24-Hour Free Cancellation

Residence Inn by Marriott Portsmouth Downtown/ Waterfront Amenities

Dry cleaning/laundry service
Vegetarian breakfast available
Number of meeting rooms - 1
Conference space size (meters) - 56
Free wired internet
Free WiFi
Number of indoor pools - 1
Free continental breakfast
Comprehensive food waste policy
Vegetable garden
Wheelchair-accessible lounge
Free breakfast
Wheelchair-accessible meeting spaces/business center
Coffee/tea in common areas
Laundry facilities
Elevator
Fitness facilities
Wheelchair accessible (may have limitations)
Banquet hall
Food and water bowls
Wheelchair-accessible path to elevator
Pool hoist on site
Wheelchair-accessible fitness center
Wheelchair-accessible pool
24-hour fitness facilities
Free breakfast to go
Water-efficient showers only
Luggage storage
Business center
24-hour front desk
Smoke-free property
Safe-deposit box at front desk
Kayaking nearby
Conference space
Valet parking (surcharge)
Wheelchair accessible path of travel
ATM/banking
Conference space size (feet) - 603

Residence Inn by Marriott Portsmouth Downtown/ Waterfront Hotel Details

Enjoy recreational amenities such as an indoor pool and a 24-hour fitness center. Relax with a drink at the bar/lounge. Start your day with a complimentary on-the-go breakfast, served daily from 6 AM to 10 AM. The hotel offers complimentary wired internet access, a business center, and express check-out for your convenience. It also features 603 square feet of event space, ideal for conferences and meetings. Settle into one of the 128 air-conditioned rooms, each equipped with a kitchen, refrigerator, and stovetop. Enjoy complimentary wired and wireless internet access, and a 32-inch flat-screen TV with satellite programming. A desk and microwave are also provided, and housekeeping is offered daily. Located near Market Square, the Moffatt-Ladd House, and Tugboat Alley.
Residence Inn by Marriott Portsmouth Downtown/ Waterfront
100 Deer Street, Portsmouth, NH
Choose your dates to book today's available rooms and dates
Check In
06/28/2026
Check Out
06/29/2026
Rooms
1
Adults
2
Children
0
Rooms must be less than number of adults
Children's ages must be provided
FIND ROOMS
Check In Date
Check Out Date
Confirm Your Dates
You're about to search for rooms from to . Are these the correct dates for your stay?
Yes, find rooms Change dates

Securing your special rate...

SECURE ENCRYPTION ACTIVE
CHECK-IN
CHECK-OUT
RATE NOT GUARANTEED UNTIL BOOKED