Sound Side
Menauhant Beach
Falmouth, MA
Accessible
(69)
Familieswarm waterSwimming
Lifeguards
1 / 5
Heads up
- Piping plover nesting closure active this month — sections of the beach may be roped off.
Sound SideSticker / Day FeeBest in August
Red River Beach
Harwich, Massachusetts · Nantucket Sound
4.5(172 reviews)
Harwich's warm-water flagship
Harwich's top beach on Nantucket Sound. Consistently warm water, a long sandy stretch, and a neighborhood feel. Less flashy than some Cape beaches, which is exactly the point.
Red River Beach is Harwich's flagship — a three-quarter-mile stretch of fine sand on Nantucket Sound where the Red River empties through the dunes to create a tidal lagoon that kids treat as a private swimming pool. The water is genuinely warm by August (often 74°F), the surf is gentle to nonexistent, and the lot is the largest in Harwich, with both sticker and daily-fee sections. There's a full bathhouse, outdoor showers, a snack bar, and an accessible Mobi-mat to the lifeguard chairs. The Red River side of the beach has shallow tidal flats and a calm channel for tubing; the western end is sandier and quieter. Despite its size the lot fills by 10:30 a.m. on July weekends — arrive early or come for the long evening swim. Pair with dinner at Brax Landing on the harbor or a fried-clam stop at Bonatt's. The complete Cape sound-side family experience.
History
The Red River, which empties through the dunes here, gets its color from tannins released by the upland cedar swamp it drains — natural staining, not pollution.
Photo spot
Stand at the river mouth where freshwater meets the sound at golden hour.
Arrive
before_10amCrowds
HighDogs
SeasonalLifeguards
On dutySunsets
Great spotBest for
FamiliesSwimming
The beach
Lay of the land
- Orientation
- South-facing
- Length
- ~0.7 mi
- Backshore
- Dune / flat
- Sand
- fine_soft
- Shade
- Open — no natural shade
Wildlife
Plan your visit
Parking & fees
$25
daily fee
$40
resident sticker / season
$175
non-resident / season
- Lot size
- Large
- Enforcement
- Sticker or pay-and-display daily fee. Lot fills by 10:30am summer weekends.
Sticker or daily fee, decent-sized lot
Getting there
- From Sagamore Bridge
- 47 min
- From Bourne Bridge
- 52 min
- Nearest urgent care
- Outer Cape Health Services Harwich Port (5 min)
- Rail trail
- 0.3 mi away
- Cell signal
- good
Accessibility
- Beach wheelchair
- Available
- Mobi Mat
- Yes
- Accessible parking
- 4 spaces
Dogs
No dogs allowed Memorial Day–Labor Day.
Rules & activities
What’s allowed
AlcoholGrillsFiresDronesSmoking
Activities
Kayak rentals · Harbor Outfitters Harwich Port (~5 min)
Safety & stewardship
Lifeguards on duty· Late June through Labor Day Partial plover closure (seasonal)
Photo by Uniqua C via Google Places
Today
Water67°F
Sunrise5:06 AM
Sunset8:18 PM
Conditions
WavesCalm water
Water70–74°F (July–Aug)
TidesLow variance
SharksLow risk
Jellyfishoccasional
Length~0.7 mi
Facilities
LifeguardsRestroomsShowersChanging rooms
Late June through Labor Day, 9am–4:30pm
Red River Beach — good to know
How much does parking cost at Red River Beach?
Red River Beach charges roughly $25 per day for non-resident parking in summer; residents with a town sticker pay less or park free. Lots fill early on weekends, so arrive before about 10am.
Are dogs allowed at Red River Beach?
Dogs are not permitted at Red River Beach during the summer season — No dogs allowed Memorial Day–Labor Day.
Does Red River Beach have lifeguards?
Yes — Red River Beach is staffed by lifeguards during the summer season (Late June through Labor Day).
Are there restrooms at Red River Beach?
Red River Beach has public restrooms and showers available in season.
What is the water like at Red River Beach?
Red River Beach is a Nantucket Sound beach on Nantucket Sound. Expect calm, gentle water that's good for young kids and easy swimming. Average summer water temperature is around 70–74°F (July–Aug).
What is Red River Beach best for?
Red River Beach is especially good for families and swimming.
When is the best time to visit Red River Beach?
before_10am.
