Resources — the 2026 reference shelf

*This page is the fact-check desk's work, not the author's prose. Every link below was checked live via web search/fetch on the date noted (all checked 2026-09-01 unless marked). Nothing here is guessed or carried over from an old guide — if a resource looked stale, unclear, or dead, it was left out or flagged. Re-verify before publishing anything with a hard expiration (ferry fares, park reservation rules) — Puerto Rico's tourism infrastructure changes fast.*

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Official Tourism

• Discover Puerto Rico — discoverpuertorico.com — The island's official destination marketing org and trip-planning hub (attractions, lodging, current campaigns). Live and actively updated in 2026 ("Awaken Your Senses" campaign launched March 2026). *Checked 2026-09-01.*
• PR Local: Discover Puerto Rico (app) — iOS: apps.apple.com/us/app/pr-local-discover-puerto-rico/id6756800905 · Android: play.google.com/store/apps/details?id=com.prlocalapp — Local-business and natural-wonders finder app tied to the Discover PR brand; live on both app stores. Note: this is a directory/discovery app, not an official government app — treat listings as user/business-submitted. *Checked 2026-09-01.*

Getting to Vieques & Culebra — Ferry

• Puerto Rico Ferry (operated by Hornblower/City Experiences) — puertoricoferry.com — Official ferry booking and live schedules for Ceiba↔Vieques and Ceiba↔Culebra (passenger + cargo). Confirmed live: departures run from the Ceiba terminal, not Fajardo — a common outdated assumption. Tickets are non-refundable once purchased (exchangeable within 24–48 hrs). *Checked 2026-09-01.*
• City Experiences app (linked from puertoricoferry.com) — iOS/Android — Official app for buying tickets, checking real-time schedules, and getting service alerts for the Ceiba ferries. *Checked 2026-09-01.*
• Vieques↔Culebra direct ferry — same puertoricoferry.com routes/schedules page — Runs only once a month (last Sunday); not a practical island-hop option most of the year. *Checked 2026-09-01.*
• Fare note (gotcha): a non-resident fare hike was scheduled but has been postponed until Dec 31, 2026 at the request of Vieques/Culebra's mayors, pending a new fare study. Confirm current pricing on the site before quoting numbers — it changes monthly.

Getting to Vieques & Culebra — Air

• Cape Air — flights.capeair.com — Scheduled service from San Juan (SJU) to Vieques (VQS) and Culebra (CPX), plus a direct Vieques↔Culebra hop (limited days). Official booking engine, live. *Checked 2026-09-01.*
• Vieques Air Link — viequesairlink.com (booking at reservations.viequesairlink.com) — Puerto Rico–based commuter airline serving Isla Grande (SIG), Vieques (VQS), Culebra (CPX), and Ceiba. Confirmed official site with live booking + app. *Checked 2026-09-01.*
• Air Flamenco — flyairflamenco.com — Culebra-headquartered commuter airline flying San Juan (both airports), Ceiba/Fajardo, Vieques, and Culebra. *Checked 2026-09-01.*

Ferry Alternatives — Water Taxis & Charters

• Private water taxis/charters (Fajardo/Ceiba ↔ Vieques/Culebra) — booked via local operators listed on GetYourGuide/Viator or arranged directly with Culebra/Vieques boat charter companies — Faster and far more expensive than the ferry (roughly $200+ vs. the ferry's few-dollar fare), useful when ferry seats are sold out or the schedule doesn't fit. No single official booking portal; shop current operators directly rather than trusting an old company name. *Checked 2026-09-01.*

El Yunque National Forest

• US Forest Service — El Yunque — fs.usda.gov/r08/elyunque — Official Forest Service page: hours, closures, fee proposals, and forest office contact (787-888-1880). As of the site's May 2026 notices, the Forest Service was proposing new recreation fees for El Portal and La Mina — check this page for the current fee/reservation status before you go, since it has shifted more than once (a reservation requirement was suspended in favor of first-come, first-served access at one point in 2026). *Checked 2026-09-01.*
• Recreation.gov — El Yunque facility page — recreation.gov/ticket/facility/300017 — The reservation system tied to vehicle entry when reservations are active. Cross-check against the Forest Service page above, since the two have disagreed on whether reservations are currently required — this is the single biggest "don't get turned away at the gate" gotcha in the guide. *Checked 2026-09-01.*

Camuy Caves

• Parque Nacional de las Cavernas del Río Camuy — no standalone official booking website; reservations go through DRNA directly at 787-898-3100 / 787-999-2200 ext. 3474 or cavernasdecamuy@drna.pr.gov. Status flag: the park has a history of unpredictable closures (multi-year closure after Hurricane Fiona, another closure reported as of early 2025) and reopens/closes on short notice for weather, flooding, or staffing. Confirm it's open by phone before sending readers — do not link a third-party ticket reseller as if it's official. *Checked 2026-09-01.*

DRNA — Camping, Reserves & Permits

• DRNA (Departamento de Recursos Naturales y Ambientales) — drna.pr.gov — Puerto Rico's natural resources department; hub for nature reserve status, camping permits, and forest-use permits. *Checked 2026-09-01.*
• Camping reservations (state forests: Cambalache, Carite, Guajataca, Río Abajo, Aguirre, Guilarte, Susúa, Toro Negro; Lucchetti Reservoir; Mona Island) — booked by phone only, 787-999-2200 (land-use/forest-permits section, ext. 5613/5610), minimum 5 business days ahead — $4/night (ages 10+), $2/night under 10, cabins at Guilarte $20/night. There is no live online booking portal as of this check; be wary of any third-party site claiming to be one. *Checked 2026-09-01.*
• DRNA permits/endorsements portal — drna.pr.gov/cat/endosos-y-permisos — Where formal wildlife, forest-use, and coastal permit applications and current regulations live. *Checked 2026-09-01.*

Bioluminescent Bays

• Vieques — Mosquito Bay: Fun Brothers Rentals & Bio Bay Tour — funbrothersvieques.com — Long-running (since ~2004), locally based clear-kayak operator in Esperanza; also does snorkeling and UTV rentals. *Checked 2026-09-01.*
• Fajardo — Laguna Grande: Kayaking Puerto Rico — kayakingpuertorico.com — Award-recognized operator based in Las Croabas, Fajardo; only licensed operators are allowed into the protected lagoon, so book through a listed operator, not a freelance guide. *Checked 2026-09-01.*
• La Parguera — La Parguera Bay: Alelí Tours — aleliecotours.com — Operating since 1987; this is the only one of Puerto Rico's three bio bays where swimming is currently allowed. *Checked 2026-09-01.*

Apps That Actually Work On-Island

• Waze — works well island-wide, including rural roads Google Maps sometimes gets wrong; the de facto local standard for driving directions.
• Uber — reliable only inside the San Juan metro area (San Juan, Condado, Isla Verde, Carolina, Santurce, parts of Bayamón, Guaynabo, Cataño, Trujillo Alto, Toa Alta/Baja). Sparse-to-nonexistent in Rincón, Aguadilla, Ponce, the mountains, and the outer islands — rent a car or arrange a taxi/tour transfer for those legs. *Checked 2026-09-01.*
• PR Local: Discover Puerto Rico — see Official Tourism section above.

Weather & Hurricane Season

• National Hurricane Center (NOAA/NWS) — nhc.noaa.gov — Official Atlantic tropical outlooks, storm tracks/cones, and wind-probability graphics; the single authoritative source during a storm. *Checked 2026-09-01.*
• NWS San Juan / Carolina forecast office — weather.gov/sju — Local forecasts, rip-current advisories, and tropical alerts specific to Puerto Rico and the USVI. *Checked 2026-09-01.*
• Hurricane season runs June 1–Nov 30; the NHC begins issuing outlooks in mid-May. Plan any late-summer/fall PR trip with the NHC site bookmarked, not just an app notification.

Safety & Emergencies

• 911 — Works island-wide for police, fire, and medical emergencies, routed through a central San Juan call center to the nearest responder — same number and behavior US travelers already know. *Checked 2026-09-01.*
• Puerto Rico Emergency Portal / PREPS — preps.pr.gov/en — Official territory-wide emergency-preparedness and alert portal (useful during hurricane season specifically). *Checked 2026-09-01.*

Driving, Roads & Tolls

• AutoExpreso — autoexpreso.com — Puerto Rico's official electronic toll system (the island's E-ZPass equivalent). *Checked 2026-09-01, site live.*
• The rental-car gotcha: many PR tolls are now cashless-only — no cash lane at all. Rental agencies issue an AutoExpreso transponder with the car and bill you either a flat daily fee (roughly $7–$20/day for unlimited tolls) or pass through actual tolls (each toll runs about $0.70–$1.70). Skip the transponder and starting October 2026 you can be billed $15 per toll via plate-lookup after the fact. Confirm with your specific rental company which billing model you're on before you leave the lot.

Blogs & Communities (Active, Current)

• Puerto Rico Day Trips — puertoricodaytrips.com — Long-running, still-active independent guide (confirmed active with a live travel-advisory page and current social presence as of late Aug 2026); strong for off-the-beaten-path day trips, cave/waterfall/beach detail the official sites don't cover. *Checked 2026-09-01.*
• r/PuertoRico (reddit.com/r/PuertoRico) — General-interest subreddit covering the island, including a steady stream of visitor Q&A threads; useful for current, crowd-sourced "is X still open" chatter that beats any static guide.
• r/PuertoRicoTravel (reddit.com/r/PuertoRicoTravel) — Travel-specific subreddit for itinerary questions, current conditions, and operator recommendations from recent visitors.

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Count: 30 items across 11 sections.

Notable findings for the author:

1. Camuy Caves has no reliable official web presence and a real closure risk — it has bounced between closed and open multiple times since Hurricane Fiona (2022), including a reported closure as recently as early 2025. Any copy that says "book online at [official site]" would be wrong — it's phone-only, and the honest framing is "call ahead, this one closes without warning."

2. El Yunque's reservation requirement is a moving target within 2026 itself — Forest Service messaging shows both a suspended-reservation, first-come-first-served period and active fee proposals in the same year. Don't hardcode "you need a Recreation.gov reservation" as evergreen fact; point readers to check both fs.usda.gov/r08/elyunque and the Recreation.gov page same-day.

3. AutoExpreso is a genuine tourist trap — cashless-only tolls plus a $15 penalty-by-mail per missed toll (resuming Oct 2026 after a moratorium) is exactly the kind of thing that ruins a rental-car trip if it's not flagged clearly and early in the guide.

4. Ferry departs from Ceiba, not Fajardo — a very common outdated assumption in older travel writing (the terminal moved to a former naval base near Ceiba). Worth calling out explicitly since readers following stale directions will end up at the wrong dock.

5. Uber's real coverage map is much smaller than "Puerto Rico has Uber" implies — metro San Juan only; readers heading to Rincón, Ponce, or the mountains need to be told plainly to rent a car.

6. The ferry fare increase for non-residents was pushed back to Dec 31, 2026 at the mayors' request — worth a date-sensitive note if this page is still live after that date.