By MV Vacation BlogUpdated Oct 21, 2026Facts checked Aug 28, 202610 mins read 1,382 views
August on MV: Agricultural Fair, Illumination Night, fireworks, Derby prep, peak prices, and the late-August secret locals love.
August is Martha's Vineyard at full tilt: the Agricultural Fair, Grand Illumination Night, two film festivals, a comedy festival, and the countdown to the Striped Bass Derby, all in 31 days. The water is at its warmest, every restaurant seat is spoken for, and the ferry reservations sold out in February.
The 164th Agricultural Fair, August 13–16, with the midway attractions lit up after dark.
Thursday, August 13 through Sunday, August 16 at Agricultural Hall, 35 Panhandle Road, West Tisbury. This year the fair moved to the 2nd full weekend (from the traditional 3rd) because of a late-August scheduling conflict for its ride vendor, Fiesta Shows, in its second year at the fair, and ran August 13–16.
Four days of livestock shows, 4-H exhibits, draft horse pull, the Skillet Toss, oyster shucking, corn husking, rubber chicken toss (new 2025), and a hall full of judged entries. New in 2025: a wampum jewelry category for Indigenous artists, judged by a Wampanoag Tribe member.
Fiesta Shows brings 14+ rides. The Ferris wheel returned in 2026 after being absent in 2025. Food: West Tisbury Fire Department Burger Booth (raised $357,000 for scholarships in a decade), strawberry shortcake, fried chicken, Brazilian churrasco, root beer floats.
2026 prices: Adults $15, children/seniors/veterans $10, 4 and under free, parking $10. Unlimited-ride megapass $70/day (plus a $50 Friday-night wristband, 5–10 PM). Hours: Thu–Sat 10 AM–11 PM, Sun 10 AM–6 PM. Thursday is the least crowded day, and the free VTA bus goes there.
Grand Illumination Night: August 19, 2026
Oak Bluffs · Illumination NightPhoto by MV Vacation
One August evening the Campground cottages light hundreds of paper lanterns at once, and the paths fill up early.
Wednesday, August 19, 7:00 PM–11:00 PM at the MVCMA campground, 80 Trinity Park, Oak Bluffs. The rain date (Thursday, August 20) was not needed; the lanterns went up on schedule. The 2027 Grand Illumination is set for Wednesday, August 18, 2027. The tradition dates to August 14, 1869 when cottagers hung Chinese and Japanese lanterns for Governor Claflin.
Cottage owners hang their lanterns by late afternoon, and at 7 PM the Community Sing fills the Tabernacle. Between 8:00–8:30 PM the lights go dark, an honorary lamp lighter lights the first lantern, and the light spreads outward until all 318 gingerbread cottages glow. Most people spend the rest of the night strolling the narrow, lantern-lit walkways until ~10:30 PM.
The event is free and open to all. Blanket spots go by mid-afternoon, and since it runs past the last ferry, it means an overnight stay. See our complete Illumination Night guide.
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Oak Bluffs fireworks: canceled for 2026
Oak Bluffs · fireworks over the waterPhoto by MV Vacation
Fireworks over the water at Oak Bluffs in an earlier summer. There is no show in 2026.
The town called off both the Friday, August 21 show and the Saturday rain date over rough seas and the safe loading of the fireworks barge. The tradition returns in 2027. On a fireworks night Seaview and Ocean Avenues close early, event parking opens at Waban Alley and Washington Park, and the Steamship Authority moves its late Oak Bluffs boats to Vineyard Haven; the town and the SSA post the 2027 details closer to the date. Even without the show, the Fair and Illumination made it "the big week" of the 2026 summer.
August 2026 events, day by day
Late Jul–Aug 1: HBCU Legacy Week, Oak Bluffs, closing with a day party at 11 Circuit Ave
Aug 3–21: MV Comedy Festival, 15th year, Strand Theatre OB
Aug 7: First Friday Vineyard Haven, free arts and culture
Aug 7–15: African American Film Festival, 24th annual, MV Performing Arts Center
Aug 8: Possible Dreams Auction, VIP charity event, ~$500K raised annually
Aug 21: Oak Bluffs Fireworks (canceled for 2026 due to weather; returning 2027)
Aug 22: MV Jazz Experience · jazz, neo-soul, rhythm and blues
Aug 22: Livingston Taylor Live at MV Film Center ($65–75)
Weekly recurring: Community Sing (Wed 7:30 PM), Farmers Market (Wed and Sat 9 AM–noon), Vineyard Haven Band (Sun 7:30 PM), drive-in movies (Fri–Sat).
A poster wall · one week in AugustPhoto by MV Vacation
A shingled poster wall with the Wallflowers at the Tabernacle, Vineyard Sound's farewell show at the Old Whaling Church and Vibe Fest at Waban Park, all in one week.
Oak Bluffs · Circuit Avenue at nightPhoto by MV Vacation
Circuit Avenue on a summer night, the bars lit up and people out on both sidewalks.
Oak Bluffs · YMCAPhoto by MV Vacation
The Vineyard's Drive-In sign at the YMCA: Friday and Saturday movie nights, driveinmv.com for the bill.
Getting ready for the Derby
The 81st Martha's Vineyard Striped Bass and Bluefish Derby runs September 13–October 17, 2026. In August the anglers are getting ready: scouting spots, tuning tackle and fishing for bonito (arriving mid-July, prime in August) and the first false albacore (late August). See our complete fishing guide.
Good August fishing spots: Wasque (powerful rip currents), Lobsterville Beach (fly fishing flats), Cape Poge on Chappaquiddick, and Norton Point (4WD required).
Water temperatures and beach safety
Oak Bluffs · the town beachPhoto by MV Vacation
A lifeguard stand at a town beach in Oak Bluffs, where the town posts that no lifeguards are on duty. August is when the water is warmest and the beaches busiest, so it helps to know which ones are guarded.
August has the island's warmest water, about 73–75°F on the Sound side and a few degrees cooler on the south shore. State Beach (Nantucket Sound) warms fastest. South Beach (Atlantic) has powerful surf; rip currents are a real hazard, with rescues every summer.
Jellyfish increase significantly in August. Atlantic sea nettles and lion's mane become common, especially at State Beach and south-facing beaches. Lion's mane stings hurt more. They peak from late August through early September, and purple flags at the beach mean jellyfish are around.
Ferries in August
SSA vehicle reservations for 2026 opened February 3 at 8 AM: 23,014 bookings processed on opening day, and many August weekends were soon at or near capacity. The hardest dates: Fair week (Aug 13–16) and Illumination (Aug 19).
Walk-on passengers never need reservations; the SSA suggests arriving 45 minutes to an hour early in summer. The SSA adult fare is $11 one-way. Other boats: Seastreak from New Bedford ($49, 50 min), Island Queen from Falmouth ($30 RT, 35 min, now requires reservations), Hy-Line from Hyannis ($42 one-way / $80 RT since October 2, including a $3 fuel surcharge each way, 1 hr).
A harborside restaurant in Edgartown with a roof deck; in August the popular tables go weeks ahead.
All the seasonal restaurants are open, and the popular ones are fully booked. The hardest tables: The Outermost Inn (Aquinnah, phone reservations only from about May 1, no children under 12 at dinner), L'Etoile (Edgartown, with a deep wine list), The Charlotte Inn Terrace, Bettini (Harbor View, booked through Resy), and Détente Temporarily closedClosed for the season; back in the spring, per its own site, so it's worth booking as soon as your ferry is confirmed. On the Vineyard Haven waterfront, The Wave took over the former Garde East space in 2026.
The same pressure lands on takeout and delivery. In August a pickup order that would take fifteen minutes anywhere else routinely takes thirty to forty-five here, and delivery apps quote times the kitchens cannot keep; in our experience the pizza arrives when it arrives. Ordering before the evening rush starts around six helps, and a pickup timed against a ferry is a gamble.
Back Door DonutsTemporarily closedClosed for the 2026 season; back in 2027, per its own site is the post-Illumination stop: apple fritters about $10 each, from the No. 4 doughnut shop in the country in USA Today's 2026 10Best readers' poll. In August the line runs 30 min to 1+ hour. After neighbor complaints, the bakery agreed in 2023 to cap the back-door line at 28 people, and a "Save Back Door Donuts" petition that summer drew almost 8,000 signatures.
Late August
Late August · the turnPhoto by MV Vacation
A calm beach on a clear summer day, with plenty of room on the sand.
Crowds thin the last week of August as families head home for the start of school. The rental turnover on Saturday, August 29 marks the shift, and with Labor Day 2026 on September 7, the quieter stretch before it is unusually long.
Vineyard Haven · the community boardPhoto by MV Vacation
The Vineyard Haven board in the same week: Built on Stilts at Union Chapel, the HBCU Arts Festival, a career fair at the Strand and a watercolor show, plus a big For Rent sign across one panel.
Oak Bluffs · Union ChapelPhoto by MV Vacation
Union Chapel from the front steps, the octagon of 1870 with its tiered roof and pointed dormers. Built on Stilts fills it for two weekends every August.
Oak Bluffs · the banner stayed upPhoto by MV Vacation
The street banners were already flying when the call came: no show in 2026, back next year.
September is a different trip: the water is still warm, most restaurants stay open through mid-month, tables and car reservations come easier, and the light drops lower. The MV International Film Festival (Sep 8–13) is a good excuse to extend an August trip. The SSA peak schedule runs through September 10.
August weather
Almost the same as July, with highs ~80°F and lows ~64°F, except that it cools in late August: highs drop from about 81°F to about 78°F by month's end. There's less fog than in July, though the air is often humid. It is hurricane season; Hurricane Bob struck August 19, 1991 (Cat 2, 100+ mph winds), so the NOAA forecast is worth a look before you travel.
August 13 to 16, 2026 at the Agricultural Hall in West Tisbury, its first year on the second full weekend of August instead of the third. The 2027 fair is set for Thursday, August 12 through Sunday, August 15. Adults $15, children, seniors and veterans $10, 4 and under free, parking $10; Thursday is the least crowded day and the free VTA bus goes there.
When was Grand Illumination Night?
Wednesday, August 19, 2026, 7 to 11 PM at the Camp Meeting Association campground in Oak Bluffs. The Community Sing fills the Tabernacle at 7, the lights go dark around 8 and an honorary lamp lighter starts the cascade of lanterns. The tradition dates to August 14, 1869.
How crowded is August?
Very: every restaurant seat is spoken for and car ferry reservations sold out back in February. Walk-on passengers never need a reservation.
Is the water warm?
August is the peak: the warmest ocean of the year, about 73 to 75 degrees on the Sound side by NOAA's monthly averages.
What else is on in August?
Two film festivals, a comedy festival and the countdown to the Striped Bass Derby in September; the full month runs day by day on this page and on our events calendar.
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Disclaimer: The information in this article is provided for general guidance only and was accurate at the time of writing. Beach conditions, hours, prices, lifeguard schedules, ferry fares, and business operations change frequently and without notice. Ocean swimming carries inherent risks including rip currents, undertow, and cold water shock. Always verify current conditions with official local sources before your visit. MV Vacation assumes no responsibility for any loss, injury, or inconvenience resulting from the use of this information. Swim only where lifeguards are on duty, supervise children at all times near water, and follow all posted safety signs.
A guide to Martha's Vineyard, written on the island: beaches, dining, events and island living. We write down what we know about the island so your trip goes the way you hoped.
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