Cancellation By Guest For Penthouse Suites and below, the following applies to all cruises, regardless of length, excluding Around the World Cruises:Days Prior to Cruise DepartureCancellation Charge181+ days$150 pp Admin Fee180-151 days$500 pp Admin Fee150-121 days25% Cruise Fare (plus any Optional Faciliti…

Shipboard gratuities are included in the cruise price. That includes stateroom attendants, butlers, and dining waitstaff, WiFi, in-room dining, fruit smoothies, gelato and artisan ice cream, group fitness classes, and laundry services.

Oceania Cruises cannot accept guests who will have entered their 24th week of pregnancy by the beginning of, or at any time during, the cruise.

MinorAccompany policy

Beginning January 7, 2026, Oceania Cruises will now exclusively welcome guests 18 years of age and older at the time of embarkation on all new reservations. This policy ensures that every voyage delivers the serene, sophisticated, and adult-focused experience.

For the safety and security of all guests and staff onboard, Designated Smoking Areas are available on Deck 9, the forward starboard corner of the Pool Deck, and Deck 10, in the aft, port corner of Horizons.

Oceania Sirena

21-Night Amazonian Exploration Cruise from Rio De Janeiro

Regatta Class · Oceania Sirena

Rio De Janeiro, Maceio, and Santarem (Amazon River)

Sails Fri, Feb 18, 202821 nightsCruiseOnly

One-wayRio De JaneiroMiami · 11 ports

More Oceania Cruises cruises

From

$9,094pp

$433 / night avg · taxes & fees included

Prices tracked daily on this sailing
No booking fees at checkout
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Prices tracked daily

We crawl fares so you see real movement, not stale brochure rates.

No booking fees

What you see is the operator fare — we don't add checkout surcharges.

Tax-inclusive pricing

Lead prices include taxes and port fees where available.

Book when you're ready

Compare cabins and sail dates, then continue to secure checkout.

Price intelligence

Live

We've tracked this sailing for 4 days in our daily crawl. Here's how today's fare compares to its own history.

Today: $9,094Lowest tracked: $6,699

This sailing's fareLowest recorded

vs. recent high

In line with recent highs

4-day low

$6,699

4-day high

$9,094

4-day avg

$8,458

Our read: track it

Building signal

We're still building history on this sailing. Save it or check back after the next daily price crawl.

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Day by day

Your 21-night itinerary

11 ports and 11 sea days on this sailing.

Itinerary map — Rio De Janeiro → Maceio → Santarem (Amazon River) → Boca Da Valeria (Amazon River) → Manaus (Amazon River) → Parintins (Amazon River) → Alter Do Chao (Amazon River) → Bridgetown → Pointe A Pitre → Tortola

Day 11
Rio De JaneiroEmbark
Departs 5:00 PM
Sailings from Rio De Janeiro
Day 22
At seaSea day
Enjoy a relaxing day at sea — spa, pools, dining and onboard activities.
Day 33
At seaSea day
Enjoy a relaxing day at sea — spa, pools, dining and onboard activities.
Day 44
Maceio
Arrives 7:00 AM · Departs 5:00 PM
Cruises visiting Maceio
Day 55
At seaSea day
Enjoy a relaxing day at sea — spa, pools, dining and onboard activities.
Day 66
At seaSea day
Enjoy a relaxing day at sea — spa, pools, dining and onboard activities.
Day 77
At seaSea day
Enjoy a relaxing day at sea — spa, pools, dining and onboard activities.
Day 88
At seaSea day
Cruising The Amazon River
Day 99
Santarem (Amazon River)
Arrives 8:00 AM · Departs 5:00 PM
Cruises visiting Santarem (Amazon River)
Day 1010
Boca Da Valeria (Amazon River)
Arrives 7:00 AM · Departs 2:00 PM
Cruises visiting Boca Da Valeria (Amazon River)
Day 1111
Manaus (Amazon River)
Arrives 9:00 AM · Departs 5:00 PM
Cruises visiting Manaus (Amazon River)
Day 1212
Parintins (Amazon River)
Arrives 10:00 AM · Departs 6:00 PM
Cruises visiting Parintins (Amazon River)
Day 1313
Alter Do Chao (Amazon River)
Arrives 7:00 AM · Departs 1:00 PM
Cruises visiting Alter Do Chao (Amazon River)
Day 1414
At seaSea day
Enjoy a relaxing day at sea — spa, pools, dining and onboard activities.
Day 1515
At seaSea day
Enjoy a relaxing day at sea — spa, pools, dining and onboard activities.
Day 1616
At seaSea day
Enjoy a relaxing day at sea — spa, pools, dining and onboard activities.
Day 1717
Bridgetown
Arrives 9:00 AM · Departs 5:00 PM
Cruises visiting Bridgetown
Day 1818
Pointe A Pitre
Arrives 9:00 AM · Departs 5:00 PM
Cruises visiting Pointe A Pitre
Day 1919
Tortola
Arrives 10:00 AM · Departs 5:00 PM
Cruises visiting Tortola
Day 2020
At seaSea day
Enjoy a relaxing day at sea — spa, pools, dining and onboard activities.
Day 2121
At seaSea day
Enjoy a relaxing day at sea — spa, pools, dining and onboard activities.
Day 2222
MiamiDisembark
Arrives 7:00 AM
Port guide

Cabins & suites

Compare categories — selection updates in the booking panel

Suite
$15,744$750 / night
Best value
Inside
$9,094$433 / night
Balcony
$12,544$597 / night
Photo coming soon
Ocean View
$9,744$464 / night

Ship experience

Onboard dining, entertainment, and venues

About this ship

Sirena embodies the most treasured elements of a celebrated fleet and features a few highlights all her own. Better than new, Sirena includes entirely new suites, staterooms and bathrooms and reflects the same beautifully re-inspired ambiance as her sister ships.

Ports of call

Where you stop and how long you stay

Rio De Janeiro
Day 1
Sailings from Rio De Janeiro
Rio De Janeiro
Maceio
Day 4
Cruises visiting Maceio
Maceio
Santarem (Amazon River)
Day 9
Cruises visiting Santarem (Amazon River)
Santarem (Amazon River)
Boca Da Valeria (Amazon River)
Day 10
Cruises visiting Boca Da Valeria (Amazon River)
Boca Da Valeria (Amazon River)
Manaus (Amazon River)
Day 11
Cruises visiting Manaus (Amazon River)
Manaus (Amazon River)
Parintins (Amazon River)
Day 12
Cruises visiting Parintins (Amazon River)
Parintins (Amazon River)
Alter Do Chao (Amazon River)
Day 13
Cruises visiting Alter Do Chao (Amazon River)
Alter Do Chao (Amazon River)
Bridgetown
Day 17
Cruises visiting Bridgetown
Bridgetown
Pointe A Pitre
Day 18
Cruises visiting Pointe A Pitre
Pointe A Pitre
Tortola
Day 19
Cruises visiting Tortola
Tortola
Miami
Day 22
Port guide
Miami

What's included & extra

Know what's covered before you book add-ons

Included

Main dining rooms — Traditional complimentary dining
Pools & fitness — Ship amenities vary by vessel

Extra cost

Terrace Café — Informal and carefree, the Terrace Cafe is wonderfully inviting any time of day--feel free to dine i
Baristas — This delightful coffee bar is a favorite stop for java lovers. Enjoy complimentary illy espressos, c
Grand Bar — This delightful coffee bar offers java lovers complimentary illy® espressos, cappuccinos and lattes
Waves Bar — Located in shaded area steps from the swimming pool, Waves Bar offers a wide variety of libations to
Horizons — An elegant observation lounge with dramatic floor to ceiling windows and a country club casual ambie
Casino — Take one of the slot machines for a spin or join a rousing game of blackjack, poker or roulette.
Boutiques — Three stylish boutiques feature a bounty of items ranging from sundries to designer casual wear. Fee
Salon — A beauty professional can help you look as terrific as SpaClub makes you feel!

Policies & FAQ

Summaries only — read full policies on our policy pages

Ship specifications

Bars / Lounges: Yes
Beam: 84 ft (25.5 m)
Dining / Restaurants: Yes
Fitness Center: Yes
Gross Tonnage: 30,227
Kids Friendly: No
Last Refurbished: 2019
Maximum Speed: 18 knots
Non Smoking Dining: Yes
Non Smoking Ship: No
Number of Crew: 400
Number of Decks: 11
Number of Pools: 1
Number of Solo Staterooms: 18
Number of Suites: 62
Officer's Nationality: European
Passenger Capacity: 648 (Double Occupancy)
Registry: Marshall Islands
Ship Class: Regatta Class
Ship Length: 594 ft (181 m)
Spa: Yes
Wheelchair Accessible: Yes
Year Built: 1999

Prices shown are per person, based on double occupancy, and include taxes and port fees where available. Gratuities and optional extras are not included. All fares are subject to availability and may change. Final pricing will be confirmed at time of booking.